[Analyses of drugs and chemicals by infrared absorption spectroscopy. 13. Rapid simultaneous determination of phenacetin and caffeine in pharmaceutical preparation containing aminopyrine, phenacetin and caffeine in 650-400 cm-1 (KB4 region)].
D000632:Aminopyrine; D002110:Caffeine; D002626:Chemistry, Pharmaceutical; D007259:Infrared Rays; D010615:Phenacetin; D013057:Spectrum Analysis
D000632:Aminopyrine; D002110:Caffeine; D010615:Phenacetin