4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml

D-Psicose, 10mg

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

1,2,3,4,7,8,9-Heptachlorodibenzofuran,50 µg/mL,n-nonane,1mL