Showing structure for C[Si](C)(C)OC1=CC(C2OC3=CC(O)=CC(O)=C3CC2OC(=O)C2=CC(O)=C(O[Si](C)(C)C)C(O)=C2)=C2C=C(C(=O)O)C=C(O)C(=O)C2=C1O[Si](C)(C)C