None: 5-chloro-8-hydroxyquinoline-7-carboxylic acid ( 0.50 g , 2.24 mmol ) 
None: benzylamine ( 0.29 g , 2.68 mmol ) 
None: 1-hydroxy-7-azabenzotriazole ( 0.36 g , 2.68 mmol ) 
None: 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride ( 0.51 g , 2.68 mmol ) 
None: triethylamine ( 0.62 mL , 4.47 mmol ) 
None: DMF ( 15 mL ) 
None: DMSO 
None: C-18 stationary phase 
None: water / acetonitrile / TFA mobile phase 
