title: B12 COENZYMES: BIOLOGICAL GRIGNARD REAGENTS.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003038:Cobamides; D003067:Coenzymes; D007202:Indicators and Reagents; D014805:Vitamin B 12
chemical_list: D003038:Cobamides; D003067:Coenzymes; D007202:Indicators and Reagents; C000913:cobamamide; D014805:Vitamin B 12
keywords: CHEMISTRY; COENZYMES; VITAMIN B 12