(-)-4-epi-cassamate
(1R,4aR,4bS,8R,8aS,10aR)-7-[1-Methoxycarbonyl-meth-(E)-ylidene]-1,4a,8-trimethyl-9-oxo-tetradecahydro-phenanthrene-1-carboxylic acid methyl ester
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25594-20-1
109278-74-2
2225-75-4