Showing structure for C[Si](C)(C)OC1=CC=C(C2OC3=CC(O[Si](C)(C)C)=CC(O)=C3C(=O)C2C2=C(O)C=C(O[Si](C)(C)C)C3=C2OC(C2=CC=C(O)C(O)=C2)CC3=O)C=C1