71439-68-4 9,10-Anthracenedicarboxaldehyde, bis(4,5-dihydro-1H-imidazol-2-ylhydrazone),dihydrochloride 9,10-Anthracenedicarboxaldehyde, bis[(4,5-dihydro-1H-imidazol-2-yl)hydrazone], dihydrochloride BISANTRENE HYDROCHLORIDE CL 216942 NSC 337766 NSC337766