2,2',3,4,4',5,5'-Heptabromobiphenyl

2,2',3,4',5,5',6-Heptachloro-4-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

D5-Atrazine, 100 µg/ml, Acetone, 1ml

Benzo[b]naphtho[2,1-d]thiophene, 10mg