Sebuthylazine D5 (ethyl D5), certified, 5mg

2,5-Dinitrotoluene, 100µg/ml in MeOH, 5ml

Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml

Dibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 132-65-0