Pazufloxacin mesylate, 25mg

Ramipril, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 87333-19-5

N-Nitrosodiisobutylamine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 997-95-5

N-Nitroso-N-methylaniline, 100μg/ml in MeOH, 5ml