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

2,2',6,6'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Methimazole-d3, 1mg

Quinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-22-5