Showing structure for C[Si](C)(C)OC1=C(O)C(O)=CC2=C1C1=C(O)C(O)=C(O)C3=C1C(=O)OC(C3O)C(C(O)C(CO)OC(=O)C1=CC(O)=C(O)C(O)=C1)OC2=O