1,2,3,5,6,7-Hexachloronaphthalene,,,,

DL-alpha-Tocopherol, 500mg

Atrazine-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL,

Isoproturon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 34123-59-6