Showing structure for C[Si](C)(C)OCC1OC(OC2=C(C3=CC=C(O)C(O)=C3)OC3=CC(O)=CC(O)=C3C2=O)C(OC(=O)C2=CC(O)=C(O)C(O)=C2)C(O)C1O[Si](C)(C)C