(2-Amino-5,6-dimethylbenzimidazolyl)cobamide 90654-06-1 Adb-cobamide Cobinamide, cyanide hydroxide, dihydrogen phosphate (ester), inner salt, 3'-ester with 1-alpha-D-ribofuranosyl-1H-benzimidazol-2-amine-2-14C