4-Chloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

n-Dodecane, Selectivity Check Standard, 1.5Wt%, Solvent-isooctane, Unit 10mL, # of units-1, Cas.no. 112-40-3

iso-Chloridazon, 10 µg/ml, Ethyl acetate, 10ml

Atrazine-desethyl-2-hydroxy, 100µg/ml in AL, 5ml