Three new C21 steroidal glycosides from Tylophora atrofolliculata
Phytochemistry Letters(2020)
摘要
•New C21 steroidal glycosides were discovered in Tylophora genus.•Structures of the new compounds were elucidated by NMR spectroscopic data.•The disecopregnane-type steroid with C-18 hydroxyl group was firstly identified.
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关键词
Tylophora atrofolliculata,C21 steroidal glycosides,Atrofollicosides A-C
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