methyl (1R,2S,4aS,4bR,7S,10aR)-7-hydroxy-2,4b-dimethyl-1-[(E)-(3-oxo-1H-indol-2-ylidene)methyl]-1,3,4,4a,5,6,7,8,10,10a-decahydrophenanthrene-2-carboxylate
6218-47-9