Showing structure for CC1OC(OC2=C(C3=CC=C(O[Si](C)(C)C(C)(C)C)C(O)=C3)OC3=CC(OC4OC(C(=O)O)C(O)C(O[Si](C)(C)C(C)(C)C)C4O)=CC(O)=C3C2=O)C(O)C(O)C1O