Chemical Name: Cyanocobalamin EP Impurity B
Synonym: Co-(cyano-κC)-cobinic acid-abcdg-pentamide dihydrogen phosphate (ester), inner salt, 3'-ester with (5,6-dimethyl-1-α-D-ribofuranosyl-1H-benzimidazole-κN3); Cobinic acid-abcdg-pentamide, cyanide hydroxide, dihydrogen phosphate (ester), inner salt, 3'-ester with 5,6-dimethyl-1-α-D-ribofuranosylbenzimidazole; Cobinic acid-abcdg-pentamide, cyanide, dihydrogen phosphate (ester), inner salt, 3'-ester with 5,6-dimethyl-1-α-D-ribofuranosyl-1H-benzimidazole; Cobalamin-monocarboxylic acid