Synonyms: Co(Sep);cobalt(2+); 1,3,6,8,10,13,16,19-octazabicyclo[6.6.6]icosane;AC1MIVX9;AC1O4Q99;1,3,6,8,10,13,16,19-Octaazabicyclo-6,6,6-eicosanecobalt(II);63218-22-4;Cobalt(2+), (1,3,6,8,10,13,16,19-octaazabicyclo(6.6.6)eicosane-N3,N6,N10,N13,N16,N19)-, (OC-6-11)-