Showing structure for C[Si](C)(C)OC1=CC(C(=O)OC2=CC(C(=O)O)=CC(O)=C2O[Si](C)(C)C)=CC(OC(=O)C2=CC(O)=C(O[Si](C)(C)C)C(O)=C2)=C1O[Si](C)(C)C