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  1. Reactions of 1,3-Diketones with a Dipeptide Isothiazolidin-3-one: Toward Agents That Covalently Capture Oxidized Protein Tyrosine Phosphatase 1B
  2. Crystal structure of methyl (S)-2-{(R)-4-[(tert-butoxycarbonyl)amino]-3-oxo-1,2-thiazolidin-2-yl}-3-methylbutanoate: a chemical model for oxidized protein tyrosine phosphatase 1B (PTP1B)
  3. Crystal structure of 5-{4′-[(2-{2-[2-(2-ammonioethoxy)ethoxy]ethoxy}ethyl)carbamoyl]-4-methoxy-[1,1′-biphenyl]-3-yl}-3-oxo-1,2,5-thiadiazolidin-2-ide 1,1-dioxide: a potential inhibitor of the enzyme protein tyrosine phosphatase 1B (PTP1B)