1,4-Benzenedicarboxamide, N,N'-bis[4-(4,5-dihydro-4-methyl-1H-imidazol-2-yl)phenyl]-2-[[[[4-(4,5-dihydro-4-methyl-1H-imidazol-2-yl)phenyl]amino]carbonyl]amino]- AIDS-073135 AIDS073135 NSC66764