cobalt(+2) cation 22541-53-3 AIDS-045697 AIDS045697 Co(2+) Cobalt cation (Co2+) Cobalt dication Cobalt ion(2+) Cobalt(2+) Cobalt(II) cation Cobalt(II) ion Cobalt, ion (Co2+) Cobaltous ion Cobalt ions Cobalt(2+) ions Cobalt(2+)ions Cobalt(II)ions Cobalt, ion(Co2 ) COBALT (II) ION CO+2 Co++ Co2+ cobalt ion cobalt(II)