QC Soup Mix

Benzyl 2-hydroxybenzoate-3,4,5,6-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1219802-40-0

Norcodeine hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 14648-14-7

Caffeine,100 µg/mL,MeOH,1mL,