Diatrizoic acid meglumine salt

Pirimicarb-desmethyl-formamido, 100 µg/ml, Aceton

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-hexane sulfonate (4:2), 50µg/ml in MeOH, 1,2ml

Malaoxon, 100µg/ml in Acetonitrile, 5ml