Showing structure for C[Si](C)(C)OC1=C(O)C2=C3C(=O)OC(C(O)C3=C1O)C(C(O)C(CO)OC(=O)C1=CC(O)=C(O)C(O)=C1)OC(=O)C1=CC(O)=C(O)C(O)=C12