Synonyms: Cobinamide,cyanide hydroxide, dihydrogen phosphate (ester), inner salt, 3'-ester with2-methyl-7-a-D-ribofuranosyladenine (8CI);Cobinamide, cyanide phosphate, 3'-ester with 2-methyl-7-a-D-ribofuranosyladenine, innersalt (7CI); Cobinamide, cyanide, dihydrogen phosphate (ester), inner salt,3'-ester with 2-methyl-7-a-D-ribofuranosyl-7H-purin-6-amine; 2-Methyladenine vitamin B12;2-Methyladenyl cobamide cyanide; 7H-Purin-6-amine, 2-methyl-7-a-D-ribofuranosyl-, vitamin B12analog; Cobamide, a-(2-methyladenyl)-, cyanide; Cyano-a-(2-methyladen-7-yl)cobamide; Factor A; Factor A(vitamin B12 analog); Pseudovitamin B12d; Vitamin B12, adenine analog; VitaminB12m; y-Vitamin B12d; w-Cobalamin