Caffeine, 250mg

3,4-Dimethylthieno[2,3-b]thiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17502-58-1

Dextromethorphan hydrobromide monohydrate,1000 µg base/mL,MeOH,1mL,

Custom Standard