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