Showing structure for C[Si](C)(C)OC1=CC(C2OC3=CC(O)=CC(OC(=O)C4=CC(O)=C(O[Si](C)(C)C)C(O[Si](C)(C)C)=C4)=C3CC2OC(=O)C2=CC(O)=C(O[Si](C)(C)C)C(O)=C2)=CC=C1O