Acetic acid, certified, 5ml

Picolinafen free acid, 10mg

Caffeine, 100µg/ml in MeOH, 1ml

n-Dodecylbenzene-d30, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352431-29-9