PCB No. 118, 10µg/mL in Isooctane, 10ml

(-)-(S)-Levetiracetam,1000 µg/mL,MeOH,1mL

Cholest-4-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16732-86-8

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