1H-Benzotriazole, 100mg

Bromodichloroacetic acid

2,3,7,8-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Mono-n-octyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml