4-Chloro-2-methylaniline

Siloxane - Mix 6, 100µg/ml in Acetone, 5ml

1,3,6,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

D5-Metamitron, 10.0 µg/ml, Acetonitrile, 1ml