title: Chemistry of opium alkaloids. VIII. Separation of opium alkaloids and related compounds by ion-pair high-performance liquid chromatography.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002851:Chromatography, High Pressure Liquid; D002852:Chromatography, Ion Exchange; D005782:Gels; D008722:Methods; D009019:Morphinans / Q000302:isolation & purification; D009022:Morphine Derivatives / Q000302:isolation & purification*; D009892:Opium / Q000302:isolation & purification*; D012822:Silicon Dioxide; D012997:Solvents
chemical_list: D005782:Gels; D009019:Morphinans; D009022:Morphine Derivatives; D012997:Solvents; D012822:Silicon Dioxide; D009892:Opium