Title: |
The New Pentacyclic Saponine Ecdysantherin [3β-Hydroxy-20-methylpregn-5,14-dien-16-one-(18–20)-lactone] from Ecdysanthera rosea Hook. et Arn. (Apocynaceae) of Vietnam |
Source: |
Acta crystallographica. Section C, Crystal structure communications
[0108-2701]
Luger,
P
yr:1996
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