Showing structure for C[Si](C)(C)OC1=CC(OC2OC(CO)C(OC3OC(CO)C(O[Si](C)(C)C)C(O[Si](C)(C)C)C3O)C(O[Si](C)(C)C)C2O)=C2C(=O)C(O)C(C3=CC=CC=C3)OC2=C1