Showing structure for CC(C)(C)[Si](C)(C)OC(=O)[C@H]1O[C@@H](OC2=C3CCC4C5CC=C(O[Si](C)(C)C(C)(C)C)[C@@]5(C)CCC4[C@@]3(C)CCC2=O)[C@H](O)[C@@H](O[Si](C)(C)C(C)(C)C)[C@@H]1O