3,4,4'-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane

2,3,7,8-Tetrachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

2-Chloropyridine

4-n-Nonylphenol, 100µg/ml in MeOH, 5ml