Showing structure for CC(=O)O[C@@H]1CC[C@]2(C)C3=C(O[Si](C)(C)C(C)(C)C)C=C4[C@@H]5[C@@H](C)[C@H](C)CC[C@]5(C)CC[C@@]4(C)[C@]3(C)CCC2[C@@]1(C)C(=O)O