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Song J, Zhang B, Li M, Zhang J. The current scenario of naturally occurring indole alkaloids with anticancer potential. Fitoterapia 2023; 165:105430. [PMID: 36634875 DOI: 10.1016/j.fitote.2023.105430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 01/06/2023] [Accepted: 01/06/2023] [Indexed: 01/11/2023]
Abstract
Naturally occurring indole alkaloids are ubiquitously present in nature and possess extensive biological properties and structural diversity. Mechanistically, naturally occurring indole alkaloids have the potential to inhibit cancer cell proliferation, arrest cell cycle and induce apoptosis. Accordingly, naturally occurring indole alkaloids exhibit promising activity against both drug-sensitive and drug-resistant cancers including multidrug-resistant forms. Therefore, naturally occurring indole alkaloids constitute an important source of anticancer drug leads and candidates. The goal of this review is to highlight the current scenario of naturally occurring indole alkaloids with anticancer potential, covering articles published from 2018 to present. The names, sources, and antiproliferative activity are discussed to continuously open up a map for the remarkable exploration of more effective candidates.
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Affiliation(s)
- Juntao Song
- Department of Oncology and Hematology, Zibo 148 Hospital, Zibo 255300, China
| | - Bo Zhang
- Emergency Department, People's Hospital of Zhoucun District, Zibo 255300, China
| | - Ming Li
- Department of Oncology and Hematology, People's Hospital of Zhoucun District, Zibo 255300, China
| | - Jinbiao Zhang
- Department of Oncology and Hematology, Zibo 148 Hospital, Zibo 255300, China.
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Chen SQ, Jia J, Hu JY, Wu J, Sun WT, Zheng M, Wang X, Zhu KK, Jiang CS, Yang SP, Zhang J, Wang SB, Cai YS. Iboga-type alkaloids with Indolizidino[8,7-b]Indole scaffold and bisindole alkaloids from Tabernaemontana bufalina Lour. PHYTOCHEMISTRY 2022; 196:113089. [PMID: 35074605 DOI: 10.1016/j.phytochem.2022.113089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/08/2022] [Accepted: 01/09/2022] [Indexed: 06/14/2023]
Abstract
Phytochemical investigation on the aerial parts of Tabernaemontana bufalina Lour. (Apocynaceae) led to the identification of four undescribed monoterpenoid indole alkaloids named taberbufamines A-D, an undescribed natural product, and fourteen known indole alkaloids. The structures of the undescribed alkaloids were established by spectroscopic and computational methods, and their absolute configurations were further determined by quantum chemical TDDFT calculations and the experimental ECD spectra. Taberbufamines A and B possessed an uncommon skeleton incorporating an indolizidino [8,7-b]indole motif with a 2-hydroxymethyl-butyl group attached at the pyrrolidine ring. Biosynthetically, Taberbufamines A and B might be derived from iboga-type alkaloid through rearrangement. Vobatensine C showed significant bioactivity against A-549, Bel-7402, and HCT-116 cells with IC50 values of 2.61, 1.19, and 1.74 μM, respectively. Ervahanine A showed antimicrobial activity against Bacillus subtilis, Mycobacterium smegmatis, and Helicobacter pylori with MIC values of 4, 8, and 16 μg/mL, respectively. 19(S)-hydroxyibogamine was shown as butyrylcholinesterase inhibitor (IC50 of 20.06 μM) and α-glycosidase inhibitor (IC50 of 17.18 μM), while tabernamine, ervahanine B, and ervadivaricatine B only showed α-glycosidase inhibitory activities with IC50 values in the range of 0.95-4.61 μM.
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Affiliation(s)
- Shun-Qing Chen
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China
| | - Jia Jia
- Department of Pathogen Biology & Jiangsu Key Laboratory of Pathogen Biology & Helicobacter Pylori Research Centre, Nanjing Medical University, Nanjing, 211166, People's Republic of China
| | - Jing-Yao Hu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China
| | - Jun Wu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China
| | - Wen-Ting Sun
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China
| | - Mingxin Zheng
- Department of Pathogen Biology & Jiangsu Key Laboratory of Pathogen Biology & Helicobacter Pylori Research Centre, Nanjing Medical University, Nanjing, 211166, People's Republic of China
| | - Xi Wang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China
| | - Kong-Kai Zhu
- College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, People's Republic of China
| | - Cheng-Shi Jiang
- School of Biological Science and Technology, University of Jinan, Jinan, 250022, People's Republic of China
| | - Sheng-Ping Yang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China
| | - Juan Zhang
- School of Biological Science and Technology, University of Jinan, Jinan, 250022, People's Republic of China.
| | - Shou-Bao Wang
- Beijing Key Laboratory of Drug Targets Identification and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, People's Republic of China.
| | - You-Sheng Cai
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, People's Republic of China.
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Fan K, Ding CF, Deng SY, Gao W, Tan BY, Wu H, Guo Y, Song JF, Zhang LC, Zhang RP, Yu HF. Monoterpene indole N-oxide alkaloids from Tabernaemontana corymbosa and their antimicrobial activity. Fitoterapia 2022; 158:105178. [PMID: 35302006 DOI: 10.1016/j.fitote.2022.105178] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/10/2022] [Accepted: 03/10/2022] [Indexed: 12/13/2022]
Abstract
Tabernaemontana corymbosa is a traditional folk medicine. In our research, six monoterpene indole N-oxide alkaloids and their parent alkaloids were obtained from the stem bark of T. corymbosa, including seven new alkaloids (1-7) and five known alkaloids (8-12). Their structures and absolute configurations were elucidated by extensive spectroscopy, quantum chemical calculations, and DP4+ probability analyses. The antimicrobial activity of the obtained compounds was evaluated, among which alkaloids 4, 8, 12 showed significant antimicrobial activity against Staphylococcus aureus with an MIC value of 6.25 μg/mL, while alkaloids 11, 12 showed moderate antimicrobial activity against Bacillus subtilis with an MIC value of 25 μg/mL.
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Affiliation(s)
- Kun Fan
- School of Pharmaceutical Science, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, PR China
| | - Cai-Feng Ding
- School of Pharmaceutical Science, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, PR China
| | - Shi-Yu Deng
- School of Pharmaceutical Science, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, PR China
| | - Wen Gao
- School of Pharmaceutical Science, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, PR China
| | - Bang-Yin Tan
- School of Pharmaceutical Science, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, PR China
| | - Hao Wu
- School of Pharmaceutical Science, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, PR China
| | - Ying Guo
- School of Basic Medical Sciences, Kunming Medical University, Kunming 650500, PR China
| | - Jing-Feng Song
- School of Pharmaceutical Science, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, PR China
| | - Lan-Chun Zhang
- School of Pharmaceutical Science, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, PR China.
| | - Rong-Ping Zhang
- School of Pharmaceutical Science, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, PR China; School of Chinese Materia Medica, Yunnan Key Laboratory of Southern Medicinal Resources, Yunnan University of Traditional Chinese Medicine, Kunming 650500, PR China.
| | - Hao-Fei Yu
- School of Pharmaceutical Science, Department of Zoology & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, PR China.
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Antibacterial and Antioxidant Activities of Isolated Compounds from Prosopis africana Leaves. Int J Anal Chem 2022; 2022:4205823. [PMID: 35222646 PMCID: PMC8872693 DOI: 10.1155/2022/4205823] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/20/2022] [Accepted: 01/26/2022] [Indexed: 12/17/2022] Open
Abstract
Prosopis africana (G. &Perr.) Taub (Mimosaceae) is a large tree native to dry tropical Africa and characteristic of dry leguminous forests. Different parts of this plant are used to treat wounds, skin infection, and to fight against cancer. Literature review indicated various pharmacological properties. Despite these medicinal properties, the chemical composition studies remain limited. This study aims to isolate and characterize secondary metabolites from P. africana leaves and evaluate their antibacterial and antioxidant properties. Air-dried powdered leaves of P. africana were macerated in methanol at room temperature and partitioned with ethyl acetate. The EtOAc extract was subjected successively to flash and column chromatographies in order to isolate compounds. The structure of the isolates was determined with help of spectroscopic data including 1D and 2D NMR experiments and comparison with literature data. The antibacterial activities were evaluated via determination of minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). The antioxidant activities were evaluated via gallic acid equivalent antioxidant capacity (GEAC) and diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assays. The chemical investigation of the EtOAc extract led to the isolation of seven compounds: (2E, 6E) farnesylamine (1), myricetin-3-O-rhamnoside (2), bis(2-ethylhexyl) benzene-1,2-dicarboxylate (3), lupeol (4), ß-sitosterol (5), stigmasterol glycoside (6), and a mixture of bis(2-ethylhexyl) benzene-1,2-dicarboxylate (3) and bis(2-ethylhexyl) benzene-1,4-dicarboxylate (7) in ratio 1 : 2. Compound 1 is described here for the first time as a natural product with complete 1H and 13C assignments. Compounds 3 and 7 were identified as artefacts from dichloromethane. Sesquiterpene amine (1) is reported in Prosopis genus for the first time. Antibacterial and antioxidant activities of isolated compounds were investigated. Among the tested samples, the EtOAc extract and compound 2 exhibited the highest antioxidant (EC50 = 5.67–77.56 μg/mL; GEAC = 36.58–89.28 μg/mL) and antibacterial (MIC = 8–64 μg/mL) activities against gram-negative and gram-positive bacteria. The EtOAc extract and compound 2 from P. africana exhibited antibacterial activity through bacteriolytic effects and reduction of the antioxidant defenses in the bacterial cells. Furthermore, the chemotaxonomic significance of isolated compounds was discussed. The antibacterial and antioxidant activities of ethyl acetate extract and compound 2 can justify the traditional uses of P. africana leaves for the treatment of diseases related to bacterial infections. The presence of compounds 1, 2, and 4 in this plant should also be considered as valuable chemotaxonomic features.
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Zhu X, Liu Y, Hu Y, Lv X, Shi Z, Yu Y, Jiang X, Feng F, Xu J. Neuroprotective Activities of Constituents from Phyllosticta capitalensis, an Endophyte Fungus of Loropetalum chinense var. rubrum. Chem Biodivers 2021; 18:e2100314. [PMID: 34101351 DOI: 10.1002/cbdv.202100314] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 06/07/2021] [Indexed: 11/08/2022]
Abstract
One new dioxolanone derivative, guignardianone G (1) and twelve known compounds (2-13) were isolated from the 95 % ethanol extract of the plant endophytic fungus Phyllosticta capitalensis cultured in rice medium. Among these known compounds, isoaltenuene (3), brassicasterol (7), 5,6-epoxyergosterol (8), citreoanthrasteroid A (9), demethylincisterol A (10), and chaxine C (11) were reported from Phyllosticta sp. for the first time. The structure of 1 was elucidated by 1D- and 2D-NMR experiments and HR-ESI-MS data analysis, and its absolute configuration was established through the comprehensive use of the methods of modified Mosher methods, calculations of ECD spectra and optical rotation values. The neuroprotective activity of compounds (1-9, 11-13) were evaluated on PC12 cells damage induced by glutamate, and compounds 9 and 12 showed potential neuroprotective activities with half effective concentration (EC50 ) of 24.2 and 33.9 μM, respectively.
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Affiliation(s)
- Xiaoxia Zhu
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Ying Liu
- Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Yunwei Hu
- Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Xin Lv
- Department of Traditional Chinese Medicine, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Zhaoxia Shi
- Department of Traditional Chinese Medicine, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Yuanyuan Yu
- Department of Traditional Chinese Medicine, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Xueyang Jiang
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Feng Feng
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 210009, P. R. China.,Jiangsu Food and Pharmaceutical Science College, Huaian, 223003, P. R. China
| | - Jian Xu
- Department of Traditional Chinese Medicine, China Pharmaceutical University, Nanjing, 210009, P. R. China
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Mohammed AE, Abdul-Hameed ZH, Alotaibi MO, Bawakid NO, Sobahi TR, Abdel-Lateff A, Alarif WM. Chemical Diversity and Bioactivities of Monoterpene Indole Alkaloids (MIAs) from Six Apocynaceae Genera. Molecules 2021; 26:488. [PMID: 33477682 PMCID: PMC7831967 DOI: 10.3390/molecules26020488] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/09/2021] [Accepted: 01/11/2021] [Indexed: 01/06/2023] Open
Abstract
By the end of the twentieth century, the interest in natural compounds as probable sources of drugs has declined and was replaced by other strategies such as molecular target-based drug discovery. However, in the recent times, natural compounds regained their position as extremely important source drug leads. Indole-containing compounds are under clinical use which includes vinblastine and vincristine (anticancer), atevirdine (anti-HIV), yohimbine (erectile dysfunction), reserpine (antihypertension), ajmalicine (vascular disorders), ajmaline (anti-arrhythmic), vincamine (vasodilator), etc. Monoterpene Indole Alkaloids (MIAs) deserve the curiosity and attention of researchers due to their chemical diversity and biological activities. These compounds were considered as an impending source of drug-lead. In this review 444 compounds, were identified from six genera belonging to the family Apocynaceae, will be discussed. These genera (Alstonia, Rauvolfia, Kopsia, Ervatamia, and Tabernaemontana, and Rhazya) consist of 400 members and represent 20% of Apocynaceae species. Only 30 (7.5%) species were investigated, whereas the rest are promising to be investigated. Eleven bioactivities, including antibacterial, antifungal, anti-inflammatory and immunosuppressant activities, were reported. Whereas cytotoxic effect represents 47% of the reported activities. Convincingly, the genera selected in this review are a wealthy source for future anticancer drug lead.
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Affiliation(s)
- Afrah E. Mohammed
- Department of Biology, Faculty of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Zainab H. Abdul-Hameed
- Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; (Z.H.A.-H.); (N.O.B.); (T.R.S.)
| | - Modhi O. Alotaibi
- Department of Biology, Faculty of Science, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Nahed O. Bawakid
- Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; (Z.H.A.-H.); (N.O.B.); (T.R.S.)
| | - Tariq R. Sobahi
- Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; (Z.H.A.-H.); (N.O.B.); (T.R.S.)
| | - Ahmed Abdel-Lateff
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, P.O. Box 80260, Jeddah 21589, Saudi Arabia;
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
| | - Walied M. Alarif
- Department of Marine Chemistry, Faculty of Marine Sciences, King Abdulaziz University, P.O. Box 80207, Jeddah 21589, Saudi Arabia
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Xu J, Hu YW, Qu W, Chen MH, Zhou LS, Bi QR, Luo JG, Liu WY, Feng F, Zhang J. Cytotoxic and neuroprotective activities of constituents from Alternaria alternate, a fungal endophyte of Psidium littorale. Bioorg Chem 2019; 90:103046. [PMID: 31212182 DOI: 10.1016/j.bioorg.2019.103046] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 06/05/2019] [Accepted: 06/05/2019] [Indexed: 12/25/2022]
Abstract
Chemical investigation of the EtOAc extract of the plant-associated fungus Alternaria alternate in rice culture led to the isolation of a novel liphatic polyketone, alternin A (1), a new indole alkaloid (8), and a new sesquiterpene (11), together with 12 known compounds. Their structures were elucidated by the interpretation of extensive spectroscopic data, and the absolute configurations of 1-3 were established using calculations of ECD spectra, NMR data, and optical rotation values. Compound 1 possesses an unprecedented C25 liphatic polyketone skeleton. Compounds 5 and 10 exhibited potential cytotoxic activities against MCF-7 and HepG cells, and compounds 2, 7, and 9 exhibited potential neuroprotective activities in glutamate induced-PC12 injured cells.
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Affiliation(s)
- Jian Xu
- Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Yun-Wei Hu
- Key Laboratory of Drug Quality Control and Pharmacovigilance (China Pharmaceutical University), Ministry of Education, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Wei Qu
- Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China; Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Ming-Hua Chen
- NHC Key Laboratory for Microbial Drug Bioengeering, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People's Republic of China
| | - Liang-Sheng Zhou
- College of Health Sciences, Jiangsu Normal University, Xuzhou 221116, People's Republic of China
| | - Qi-Rui Bi
- Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Jian-Guang Luo
- Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Wen-Yuan Liu
- Key Laboratory of Drug Quality Control and Pharmacovigilance (China Pharmaceutical University), Ministry of Education, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Feng Feng
- Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China; Key Laboratory of Biomedical Functional Materials, China Pharmaceutical University, Nanjing 211198, People's Republic of China; Jiangsu Food & Pharmaceutical Science College, Huaian 223003, People's Republic of China.
| | - Jie Zhang
- Department of Natural Medicinal Chemistry, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China.
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