Synonyms: Cobinamide,cyanide hydroxide, dihydrogen phosphate (ester), inner salt, 3'-ester with2-(methylthio)-7-a-D-ribofuranosyladenine(8CI); Cobinamide, cyanide phosphate, 3'-ester with 2-(methylthio)-7-a-D-ribofuranosyladenine, innersalt (7CI); Cobinamide, cyanide, dihydrogen phosphate (ester), inner salt,3'-ester with 2-(methylthio)-7-a-D-ribofuranosyl-7H-purin-6-amine; Vitamin B12, 2-(methylthio)adenineanalog (6CI); 2-Thiomethyladenine vitamin B12; Factor F; Factor F (vitamin B12analog); Pseudovitamin B12, 2-(methylthio)-; a-(2-Methylmercaptoadenyl)cobamide cyanide