1,4-Benzenedicarboxamide, 2-(acetylamino)-N,N'-bis[4-(4,5-dihydro-1H-imidazol-2-yl)phenyl]-, dihydrochloride 21695-90-9 NSC66760 Terephthalanide, 2-acetamido-4',4''-di-2-imidazolin-2-yl, dihydrochloride