Showing structure for C[Si](C)(C)OC1=CC(C2=[O+]C3=CC(O)=CC([O-])=C3C=C2OC2OC(COC(=O)C=CC3=CC=C(O)C=C3)C(O[Si](C)(C)C)C(O[Si](C)(C)C)C2O[Si](C)(C)C)=CC=C1O