1,2,4,5,7,8-Hexachloronaphthalene, 1.2ml x 50ug/ml, nonane

Paraquat dichloride, 100 µg/ml, Methanol, 1ml

p-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-51-0

Ethyl acetate-1,2-13C2,2000 µg/mL,MeOH,1mL,