AIDS-137448 AIDS137448 Benzoic acid, {2-chloro-5-[[(2-methyl-3-furanyl)thioxo} methyl\]amino\]-, 1,1-dimethylethyl ester NSC641661 tert-Butyl 2-chloro-5-(((2-methyl-3-furyl)carbothioyl)amino)benzoate