2-((((2-Chlorobenzoyl)amino)carbothioyl)amino)-5-(ethylthio)-1H-pyrrole-3,4-dicarboxamide AIDS-142830 AIDS142830 N-(3.4-Dicarbamoyl-5-ethylthiopyrrol-2-yl)-N'-(2-chlorobenzoyl)-th iourea NSC661169