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

6-Phosphoglucono-δ-lactone Ammonium Salt, 1mg

17ß(H),21 alpha(H)-Hopane, 100µg/mLin isooctane, 1ml

1,2,9-Trimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 146448-88-6