Showing structure for C[Si](C)(C)OC1=C(O[Si](C)(C)C)C2=C(O)C(=O)C=C([C@H]3OC4=CC(O)=CC(O)=C4C[C@@H]3O)C=C2C([C@H]2OC3=CC(O)=CC(O)=C3C[C@H]2O[Si](C)(C)C)=C1