Showing structure for C=C1C[C@]23C[C@H]1CC[C@H]2[C@]12OC(=O)[C@](C)([C@@H](O)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H]1O[Si](C)(C)C(C)(C)C)[C@H]2[C@@H]3C(=O)O