Showing structure for C[Si](C)(C)OC1=CC(C(=O)OC2=CC(C(=O)OC3=CC(C(=O)O)=CC(O)=C3O)=CC(O[Si](C)(C)C)=C2O[Si](C)(C)C)=CC(O)=C1O[Si](C)(C)C