Synonyms: Anthraquinone,1,1'-iminobis[4-amino- (6CI,8CI); 4,4'-Diamino-1,1'-dianthraquinonylamine;4,4'-Diamino-1,1'-dianthraquinonylimine; 4,4'-Diamino-1,1'-dianthrimide;4,4'-Diamino-1,1'-iminobisanthraquinone; Bis(4-amino-1-anthraquinonyl)amine;NSC 7227