cyano-[[(2R,3S,4R,5S)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)tetrahydrofuran-3-yl]oxy-[(1R)-1-methyl-2-[3-[(1R,2R,3R,4Z,7S,9Z,12S,13S,14Z,17S,18S,19R)-2,13,18-tris(2-amino-2-oxo-ethyl)-7,12,17-tris(3-amino-3-oxo-propyl)-3,5,8,8,13,15,18,19-octamethyl-1,2,7,12,17,21-hexahydrocorrin-3-yl]propanoylamino]ethoxy]phosphoryl]oxy-cobalt