Showing structure for CC(C)(C)[Si](C)(C)OC1=CC(O)=C2C=C(OC3OC(CO)C(O)C(O)C3OC3OCC(O)C(O)C3O[Si](C)(C)C(C)(C)C)C(C3=CC=C(O)C(O)=C3)=[O+]C2=C1