Pyrazophos, 100 µg/ml, Ethyl acetate, 5ml

(S)-Pregabalin, neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. 148553-50-8

Alachlor ESA, 1000µg/ml in MeOH, 1ml

Retene, 10µg/ml in Cycohexane, 10ml