Triethylene glycol

Codeine-N-methyl-d3 hydrochloride, 50µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

Perfluoro-n-[1,2-13C2]hexanoic acid, 50µg/ml in MeOH, 1,2ml

Dinitrobenzene Standard