C=C(CC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3[C@@H](O)C=C4C(=O)[C@](O)(C(=O)OCC)C[C@]4(C)[C@H]3CC[C@]12C)C(C)C	ethyl (2S,3aR,3bS,5aR,6R,8aS,8bS,9R)-2,9-dihydroxy-3a,5a-dimethyl-6-[(2R)-6-methyl-5-methylideneheptan-2-yl]-1-oxo-3,3b,4,5,6,7,8,8a,8b,9-decahydroindeno[5,4-e]indene-2-carboxylate