Methacrylonitrile

3-Methyl-4-nitrophenol, 100 µg/ml, Methanol, 5ml

2,3',4'-Trichlorobiphenyl (= 2',3,4-),100 µg/mL,isooctane,1mL,

Sodium p-n-tetradecylbenzenesulfonate, 100 µg/ml,