Synonyms: Nickel,[m-[[1,1',1'',1'''-[1,2,4,5-benzenetetrayltetrakis(nitrilomethylidyne)]-2-naphtholato](4-)]]di-(8CI); Nickel, [m-[[1,1',1'',1'''-[1,2,4,5-benzenetetrayltetrakis(nitrilomethylidyne)]tetrakis[2-naphthalenolato]](4-)]]di-(9CI); 2-Naphthalenol, 1,1',1'',1'''-[1,2,4,5-benzenetetrayltetrakis(nitrilomethylidyne)]tetrakis-,nickel complex