Benzidine, 100 µg/ml, Acetonitrile, 1ml

Normorphine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 466-97-7

Benzo(a)pyrene

(±)-Fipronil,100 µg/mL,MeOH,1mL,