Showing structure for C[Si](C)(C)OC(=O)C1=CC(O)=C(O)C(OC(=O)C2=CC(O)=C(O[Si](C)(C)C)C(OC(=O)C3=CC(O)=C(O)C(O[Si](C)(C)C)=C3)=C2)=C1