cobaltous;formonitrile;3-[(1R,2S,3S,4Z,7S,8S,9Z,13S,14Z,17R,18R,19R)-2,7,18-tris(2-amino-2-oxo-ethyl)-17-[3-[2-[[(2R,3S,4R,5S)-5-(5,6-dimethyl-3H-benzimidazol-1-ium-1-yl)-4-hydroxy-2-(hydroxymethyl)tetrahydrofuran-3-yl]oxy-hydroxy-phosphoryl]oxypropylamino]-3-oxo-propyl]-3,13-bis(3-imino-3-oxido-propyl)-1,2,5,7,12,12,15,17-octamethyl-3,8,13,18,19,21-hexahydrocorrin-8-yl]propanimidate