Showing structure for C[Si](C)(C)OC1=CC(O[Si](C)(C)C)=C2C(=O)C=C(C3=CC=C(O)C=C3)OC2=C1C1=C(C2=CC=C(O)C=C2)OC2=CC(O)=CC(O[Si](C)(C)C)=C2C1=O