AIDS-138283 AIDS138283 Methyl 2-(2-(3,5-diphenyl-1H-pyrazol-1-yl)-1,3-thiazol-4-yl)-3,4-dioxo-4-((5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)amino)butanoate NSC644780