英文名称
Di-tert-butyl ((2R,2'R)-(ethane-1,2-diylbis(azanediyl))bis(-oxo-1-(2,,5-trifluorophenyl)butane-,2-diyl))dicarbamate (Sitagliptin Impurity)
Smiles Code
FC1=C(F)C=C(F)C(C[C@@H](NC(OC(C)(C)C)=O)CC(NCCNC(CC(NC(OC(C)(C)C)=O)CC2=CC(F)=C(F)C=C2F)=O)=O)=C1