DL-Lactic acid

1H,1H,2H,2H-Perfluorodecyl acetate, 1.2ml x 50ug/ml, isooctane

3,5-Dinitrobenzoic acid, 100 µg/ml, Acetonitrile,

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