Delicious peptide is a small linear octapeptide with delicious taste, can be isolated from the gravy of beef meat. Delicious peptide has savory flavor, is also described as beefy meaty peptide and a beef flavor enhancer.

δ-Valerolactone is a compound commonly used to synthesize copolyesters by means of lipase-catalyzed ring-opening polymerization.

BAY-678 is a human neutrophil elastase (HNE; IC50: 20 nM) inhibitor with oral bioactivity, potency and selectivity.BAY-678 is a chemical probe recommended by the Structural Genomics Consortium (SGC).