Ranitidine-d6 Hydrochloride (>90%), 1mg

2,4,6,8-Tetrachloro[13C12]dibenzothiophene, 1.2ml x 50ug/ml, toluene

1H,1H,2H,2H-Perfluoro-n-octyl methacrylate,50 µg/mL,MeOH,1mL,

Sulfate (SO42-)