Showing structure for C[Si](C)(C)OC1=CC=C(C2=[O+]C3=CC(O[Si](C)(C)C)=CC(OC4OC(CO)C(O)C(O[Si](C)(C)C)C4O)=C3C=C2OC(=O)/C=C/C2=CC=C(O)C(O)=C2)C=C1