Internal standard 3, 2000g/ml in MeOH, 1ml

Haloperidol-D4, 0.1mg/ml in MeOH, 1ml

Atrazine-desisopropyl, 100µg/ml in Acetonitrile, 1ml

2,6-Di-tert-butyl-4-methylphenol, 100 µg/ml, Acet