Synonyms: Cobinamide,dihydroxide, monohydrate, dihydrogen phosphate (ester), mono(inner salt),3'-ester with 5-methoxy-1-a-D-ribofuranosylbenzimidazole (8CI); Cobinamide, hydroxide hydrate,phosphate, 3'-ester with 5-methoxy-1-a-D-ribofuranosylbenzimidazole, inner salt (7CI);Cobinamide, hydroxide, monohydrate, dihydrogen phosphate (ester), inner salt,3'-ester with 5-methoxy-1-a-D-ribofuranosyl-1H-benzimidazole; Aquo(hydroxo) factor IIIm (vitamin B12analog); Aquo(hydroxo)factor IIIm