AIDS-142829 AIDS142829 Ethyl ((3,4-bis(aminocarbonyl)-5-((anilinocarbothioyl)amino)-1H-pyrrol-2-yl)thio)acetate N-(3.4-Dicarbamoyl-5-ethoxycarbonyl-methylthiopyrrol- 2-yl)-N'-phenylthiourea NSC661168