Trigonelline-d3 (methyl-d3)

Perfluoro-n-[1,2-13C2]undecanoic acid, 1.2ml x 50ug/ml, methanol

Thiophanate-methyl-d6 (O,O-dimethyl-d3),100 µg/mL,acetonitrile,1mL,

Metolachlor oxanilic acid (OA), certified, 10mg