mu-(N,N'-bis(2-(dimethylamino)ethyl)oxamidato(2-))-1kappa(2)O,O'-2kappa(4)N,N',N'',N'''-bis(4,4'-dimethyl-2,2'-bipyridine-1kappa(2)N,N')dinickel(II) bis(perchlorate)
mu-(n,n'-bis(2-(dimethylamino)ethyl)oxamidato(2-))-1kappa(2)o,o'-2kappa(4)n,n',n'',n'''-bis(4,4'-dimethyl-2,2'-bipyridine-1kappa(2)n,n')dinickel(ii) bis(perchlorate)