Showing structure for C[Si](C)(C)OC1=C(O)C(O)=C2C3=C1C1=C(C=C(O)C(O)=C1O)C(=O)OC(C(O)C(CO)OC(=O)C1=CC(O)=C(O)C(O)=C1)C(OC3=O)C2O