4-(2-(2-(1,3-Benzodioxol-5-yl)-4-((4-oxo-4-(2-(trifluoromethyl)anilino)butanoyl)hydrazono)-2H-chromen-3-ylidene)hydrazino)-4-oxo-N-(2-(trifluoromethyl)phenyl)butanamide AIDS-137295 AIDS137295 NSC641210