Showing structure for C[Si](C)(C)OC1C(OC2=C(O)C=C(COC(=O)C3=CC(O)=C(O)C(O)=C3OC3=CC(C(=O)O)=CC(O)=C3O)C=C2O)OC(CO)C(O)C1O[Si](C)(C)C