Atrazine-2-hydroxy D5, 100µg/mL in MeOH, 1,1ml

2-Ethynyl-3-methylpyrazine,1000 µg/mL,isooctane,1mL,

Morphine-3-glucuronide, 1000µg base/mL, Solvent-DMF, Unit 1mL, # of units-1, Cas.no. 20290-09-9

Malathion, 100µg/ml in Acetonitrile, 5ml