Showing structure for C=C(O[Si](C)(C)C(C)(C)C)[C@H]1CCC2C3CCC4=CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)C3C(O[C@@H]3O[C@H](C(=O)O)[C@@H](O)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]3O)C[C@@]21C