title: [On the coordination isomerism of Co-methylcobalamin].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002852:Chromatography, Ion Exchange; D004586:Electrophoresis; D006863:Hydrogen-Ion Concentration; D008745:Methylation; D013237:Stereoisomerism; D014805:Vitamin B 12 / Q000032:analysis
chemical_list: D014805:Vitamin B 12
vernacular_title: Zur Koordinations-Isomerie des Co-Methylcobalamins.