Showing structure for CC(C)(C)[Si](C)(C)OC1=C[C@@]2(C)[C@@H](CC[C@]2(O)C(=CO)O[Si](C)(C)C(C)(C)C)[C@@H]2CC[C@H]3C[C@@H](O[Si](C)(C)C(C)(C)C)CC[C@]3(C)[C@@H]12