Showing structure for COC1=CC(C2=CC(=O)C3=C(O)C=C(OC4OC(COC5OC(C)C(O)C(O)C5O)C(O[Si](C)(C)C(C)(C)C)C(O)C4O)C=C3O2)=CC(OC)=C1OC