Isodrin, 1.2mL x 100ug/mL, nonane

2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187)

Ammonium as N

2,2',3,3',5,5',6,6'-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane