1-(p-Methylanilinomalonyl)-3-(N-.meta. toluidino-N-.beta.- cyanoethylamino)-5-phenyl pyrazoline 3-(3-((2-Cyanoethyl)-3-methylanilino)-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)-N-(4-methylphenyl)-3-oxopropanamide AIDS-134921 AIDS134921 NSC633975