3,4-Dibromophenol, 1.2ml x 100ug/ml, toluene

1-(4-Chlorophenyl)urea, 100 µg/ml, Acetonitrile,

4-Nitrophenol-d4, 1000µg/ml in MeOH, 1ml

4-n-Nonylphenol-2,3,5,6-d4, 100µg/ml in MeOH, 5ml