Metformin hydrochloride, 100 µg/ml, Methanol, 1m

Desmethylnarcotine, 1mg

2-Methyloctane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 3221-61-2

Norcodeine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 467-15-2