Synonyms: Cobalt(2+),[2,7,18-tris(carboxymethyl)-1,2,5,7,12,12,15,17-octamethyl-3,8,13,17-corrintetrapropanoato(1-)-N21,N22,N23,N24]-;[2,7,18-Tris(carboxymethyl)-1,2,5,7,12,12,15,17-octamethyl-3,8,13,17-corrintetrapropanoato(1-)-N21,N22,N23,N24]cobalt(2+)