Kresoxim-methyl, 10 µg/ml, Ethyl acetate, 10ml

Desethylatrazine-d7, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1216649-31-8

Trimethoprim, certified, 0.25g

2,2'-Ethylidenebis(4,6-di-tert-butylphenol), 250mg