title: Assay of semi-synthetic codeine base with simultaneous determination of alpha-codeimethine and O6-codeine methyl ether as by-product impurities by high-performance liquid chromatography.
authors.affiliation: National Chemical Laboratory, Pune, India.
authors.forename: N R
authors.initials: NR
authors.lastname: Ayyangar
authors.forename: S R
authors.initials: SR
authors.lastname: Bhide
authors.forename: U R
authors.initials: UR
authors.lastname: Kalkote
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D003061:Codeine / Q000031:analogs & derivatives* / Q000032:analysis*; D009020:Morphine / Q000032:analysis
chemical_list: C067909:alpha-codeimethine; C067908:O(6)-codeine methyl ether; D009020:Morphine; D003061:Codeine