A note on the paper chromatographic separation of codeine, morphine and nalorphine.
D003061:Codeine / Q000737:chemistry*; D006801:Humans; D009020:Morphine / Q000737:chemistry*; D009269:Nalorphine / Q000737:chemistry*
D009020:Morphine; D009269:Nalorphine; D003061:Codeine
CODEINE/chemistry; MORPHINE/chemistry; NALORPHINE/chemistry