1,4-Benzenedicarboxamide, N,N'-bis[4-(4,5-dihydro-1-methyl-1H-imidazol-2-yl)phenyl]-, dihydrochloride 13005-07-7 HR 2252 NSC66757 Terephthalanilide, 4',4''-bis(1-methyl-2-imidazolin-2-yl)-, dihydrochloride