Internal Standard Solution, 1.2ml, nonane

2,6-Di-(tert-butyl-d9)-4-methylphenol-3,5-d2, OD, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 64502-99-4

N-Ethyl-o-toluidine, 250mg

Dextromethorphan hydrobromide monohydrate,neat,neat,10mg,