2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene

Perfluoro-n-[1,2,3,4-13C4]octanoic acid, 50µg/ml in MeOH, 1,2ml

Propamocarb-N-desmethyl hydrochloride, 10.0 µg/ml,

n-Octacosane, ?13C: -29.85, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 630-02-4