Showing structure for C[Si](C)(C)OC=C(O[Si](C)(C)C)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(O[Si](C)(C)C)=CC[C@@H]4[C@H]3[C@@H](O[Si](C)(C)C)C[C@]12C=O