Organophosphorus pesticides standard

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

2-Ethylmethcathinone hydrochloride,1000 µg base/mL,MeOH,1mL,

Ceftiofur sodium, 100mg