2,2',3,3',6,6'-Hexachlorobiphenyl (136)

(±)-Sotalol-d6 hydrochloride (dimethyl-d6),100 µg/mL,MeOH,1mL,

2,3,4-Trichloroanisole,100 µg/mL,MeOH,1mL,

2,6-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane