Showing structure for CC(C)(C)[Si](C)(C)OC1=CC(C(=O)OC2OC(COC(=O)C3=CC(O)=C(O)C(O)=C3)C(O)C2(O)COC(=O)C2=CC(O)=C(O[Si](C)(C)C(C)(C)C)C(O)=C2)=CC(O)=C1O