4-{2-[5-(3-{[N-(4-Carboxyphenyl)carbamoyl]methyl}-4-oxo-2-thioxo(1,3-thiazolidin-5-ylidene))-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]acetylamino}benzoic acid AIDS-225327 AIDS225327