Showing structure for CC(C)(C)[Si](C)(C)OC1=C(C2=CC(O)=C(O)C(O)=C2)OC2=CC(OC3OC(COC(=O)C4=CC(O)=C(O)C(O)=C4)C(O)C(O)C3O)=CC(O)=C2C1=O