160595-32-4 6-(Acetylamino)-5-imino-7-methyl-8-oxo-2,3,5,8-tetrahydro-1H-pyrrolo[1,2-a]benzimidazol-3-yl benzoate AIDS-141942 AIDS141942 NSC658421 {Syn/anti-6-Acetamido-5-imino-7methyl-2,3-dihydro-1H-pyrrolo[1,} 2-a\]benzamidazole-8-one-3-benzoate