Showing structure for C[Si](C)(C)OC1=CC=C(C2=C(OC3OC(C(=O)O)C(O)C(O[Si](C)(C)C)C3O[Si](C)(C)C)C(=O)C3=C(O[Si](C)(C)C)C=C(O)C=C3O2)C=C1O[Si](C)(C)C