3.4-Dihydro-2-methoxycarbonylmethylthio-6-methylthio-4-oxo-3-pheny lpyrrolo/2.3-d/pyrimidin-5-carboxamide AIDS-142832 AIDS142832 Methyl ((5-(aminocarbonyl)-6-(methylthio)-4-oxo-3-phenyl-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-2-yl)thio)acetate NSC661172