Synonyms: Bis(3-(1-((4,5,6,7-tetrachloro-1-oxo-1H-isoindol-3-yl)hydrazo)ethyl)-2,4(1H,3H)-quinolinedionato(2-))(piperazine-N1:N4))dinickel;(mu-(Piperazine-N1:N4))bis(3-(1-((4,5,6,7-tetrachloro-1-oxo-1H-isoindol-3-yl)hydrazono)ethyl)quinoline-2,4(1H,3H)-dionato(2-))dinickel;Nickel, (mu-(piperazine-N1:N4))bis(3-(1-((4,5,6,7-tetrachloro-1-oxo-1H-isoindol-3-yl)hydrazono)ethyl)-2,4(1H,3H)-quinolinedionato(2-))di-;Nickel, (mu-(piperazine-kappaN1:kappaN4))bis(3-(1-((4,5,6,7-tetrachloro-1-oxo-1H-isoindol-3-yl-kappaN)hydrazono-kappaN1)ethyl)-2,4(1H,3H)-quinolinedionato(2-)-kappaO4)di-;Nickel, (mu-(piperazine-kappaN1:kappaN4))bis(3-(1-(2-(4,5,6,7-tetrachloro-1-oxo-1H-isoindol-3-yl-kappaN)hydrazinylidene-kappaN1)ethyl)-2,4(1H,3H)-quinolinedionato(2-)-kappaO4)di-