Showing structure for C[Si](C)(C)OC1=CC(C2=C(O[Si](C)(C)C)C(=O)C3=C(O)C=C(O)C=C3O2)=CC=C1OC1OC(C(=O)O)C(O[Si](C)(C)C)C(O)C1O[Si](C)(C)C