Showing structure for C[Si](C)(C)OC1C(CO)OC(OC2=CC=C(C3=[O+]C4=CC(O)=CC(O)=C4C=C3OC3OC(CO)C(O[Si](C)(C)C)C(O)C3O[Si](C)(C)C)C=C2O)C(O)C1O