Showing structure for CC(C)(C)[Si](C)(C)OC1=CC(O)=CC2=C1C(=O)C(O)=C(C1=CC=C(OC3OC(C(=O)O)C(O[Si](C)(C)C(C)(C)C)C(O)C3O[Si](C)(C)C(C)(C)C)C(O)=C1)O2