Showing structure for C[Si](C)(C)OC1=CC=C(C2CC(=O)C3=C(O2)C(C2OC(CO)C(O)C(O)C2O)=C(O)C(C2OC(CO)C(O)C(O[Si](C)(C)C)C2O)=C3O[Si](C)(C)C)C=C1