Cobinamide, Co-(5'-deoxyadenosine-5') deriv., hydroxide, dihydrogen phosphate (ester), inner salt, 3'-ester with 5,6-dimethyl-1-alpha-D-ribofuranosyl-1H-benzimidazole, mixt. with 3-((4-amino-2-methyl-5-pyrimidinyl)methyl)-5-(2-hydroxyethyl)-4-methylthiazolium chloride and 5-hydroxy-6-methyl-3,4-pyridinedimethanol