Tetrabromo-o-chlorotoluene, 1.2ml x 50ug/ml, toluene

Hexazinone-d6 (dimethyl-d6-amino),100 µg/mL,acetonitrile,1mL,

Benzoic acid, 250mg

Hexachlorobenzene, 100µg/ml in MeOH, 1ml