D5-Metamitron, 100 µg/ml, Acetonitrile, 1ml

Atrazine-2-hydroxy D5, 100µg/mL in MeOH, 1,1ml

1,2,3,4-Tetrachloro[13C12]dibenzo-p-dioxin , 1.2ml x 50ug/ml, toluene

Dalapon