Ethidimuron, 10 µg/ml, Acetonitrile, 10ml

Propachlor-ESA sodium salt, 100µg/mL in Acetonitrile, 1ml

4,4'-Dihydroxybiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 92-88-6

Heptachlor-exo-epoxide, 100 µg/ml, Methanol, 1ml