Z-Val-Ala-OH is a useful reagent in the preparation and biological evaluation of peptide amide conjugates of nucleosides as prodrugs that are converted to parent drugs by action of DPPIV/CD26. Synthesis and evaluation of diacylhydrazines as inhibitors of the interleukin-1β converting enzyme. Molecular Formula: C16H22N2O5 Molecular Weight: 322.36