Acifluorfen methyl derivative

2,2',3,4,4',5',6-Heptabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Nonafluoro-1-butanesulfonic acid, 50 µg/ml, Metha

2,2’,3,3’,4,5-Hexachlorobiphenyl (129)