Showing structure for C[Si](C)(C)OC1=CC2=C(C(O)=C1C1OC(CO)C(O)C(O)C1O)C(=O)C(C1OC(CO)C(O)C(O)C1O[Si](C)(C)C)=C(C1=CC=C(O)C=C1)O2