CCOC(=O)[C@]1(O)C[C@@]2(C)C(=CC(=O)[C@H]3[C@@H]4CC[C@H]([C@H](C)CC[C@H](CC)C(C)C)[C@@]4(C)CC[C@@H]32)C1=O	ethyl (2S,3aR,3bS,5aR,6R,8aS,8bS)-6-[(2R,5S)-5-ethyl-6-methylheptan-2-yl]-2-hydroxy-3a,5a-dimethyl-1,9-dioxo-3b,4,5,6,7,8,8a,8b-octahydro-3H-indeno[5,4-e]indene-2-carboxylate