title: Application of infra-red spectrometry to quantitative assays of drugs. I. Infra-red spectrometric determination of some barbituric acid derivatives.
mesh_terms: D001463:Barbiturates / Q000032:analysis*; D008722:Methods; D010634:Phenobarbital / Q000032:analysis; D013055:Spectrophotometry, Infrared; D013329:Structure-Activity Relationship
chemical_list: D001463:Barbiturates; D010634:Phenobarbital