Pyrazophos, 100 µg/ml, Acetonitrile, 1ml

(+/-)-Citalopram-d4 hydrobromide, 1000µg/ml in MeOH, 1ml

pH 12.0 Standard @ 25°C

Levamisole hydrochloride,1000 µg base/mL,MeOH,1mL,