title: Separation of cobyrinic acid and its biosynthetic precursors by ion-exchange paper chromatography.
mesh_terms: D000622:Aminolevulinic Acid / Q000302:isolation & purification*; D002852:Chromatography, Ion Exchange / Q000379:methods; D002854:Chromatography, Paper / Q000379:methods; D007982:Levulinic Acids / Q000302:isolation & purification*; D011165:Porphyrinogens / Q000302:isolation & purification*; D012436:S-Adenosylmethionine / Q000302:isolation & purification*; D014577:Uroporphyrinogens / Q000302:isolation & purification*; D014805:Vitamin B 12 / Q000031:analogs & derivatives* / Q000302:isolation & purification / Q000378:metabolism
chemical_list: D007982:Levulinic Acids; D011165:Porphyrinogens; D014577:Uroporphyrinogens; C010895:cobyrinic acid; D012436:S-Adenosylmethionine; D000622:Aminolevulinic Acid; D014805:Vitamin B 12