[Studies on analysis of mixed anti-cold pharmaceutical preparations. VI. Simple and rapid determination of caffeine, ethoxybenzamide and dibenzoylthiamine by infrared absorption spectroscopy].
D000577:Amides; D002110:Caffeine / Q000032:analysis*; D007259:Infrared Rays; D013057:Spectrum Analysis; D013831:Thiamine
D000577:Amides; D002110:Caffeine; D013831:Thiamine