D4-Quinoxyfen, 100 µg/ml, Acetonitrile, 1ml

Isofenphos, certified, 0.1g

2,3,5-Trichlorobiphenyl,100 µg/mL,isooctane,1mL,

4-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride,