N-Nitrosodi-n-butylamine, 1000μg/ml in MeOH, 1ml

1H,1H,2H,2H-Perfluorodecanesulfonic acid, 10mg

Desphenyl chloridazon-15N2, 100µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

Internal Standard Stock Solution, 1.2ml, nonane