1,3,6-Tribromo-9H-carbazole, 1.2ml x 50ug/ml, nonane

2,2',3,3',5,5',6,6'-Octachlorobiphenyl (202)

4-Chlorophenol-2,3,5,6-d4, OD,1000 µg/mL,isopropanol,1mL,

4-Methyl-2-pentanone