Atrazine-d5 (ethyl-d5),1000 µg/mL,acetonitrile,1mL,

Chlorpyrifos, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 2921-88-2

Metamitron, 100mg

4-Methyl-2-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 26207-06-7