Showing structure for C=C(O[Si](C)(C)C)[C@@]1(OC(C)=O)CC(O[Si](C)(C)C)[C@H]2[C@@H]3C=C(Cl)C4=CC(O[Si](C)(C)C)=C5CC5[C@]4(C)[C@H]3CC[C@@]21C