A water soluble, irreversible, broad spectrum inhibitor of serine proteases, including trypsin, chymotrypsin, plasmin, thrombin, and kallikreins; also inhibits NADPH oxidase.

A prodrug of gemcitabine designed for improved oral bioavailability; inhibits the growth of human non-small cell lung cancer NCI-H460 cells, colon cancer HCT116 cells, and breast cancer MCF-7 cells both in vitro (IC₅₀s = 0.78, 0.92, and 0.64 μM, respectively) and in xenograft cancer models.