Leucyl-phenylalanine (H-LEU-PHE-OH) is a dipeptide compound that can be used for protein synthesis.

Geranyl diphosphate (Geranyl pyrophosphate) is an isoprenoid, an intermediate in the synthesis of cannabinoids, and a substrate for the manufacture of volatile monoterpenes, which can be used by plants to acclimatize.

N-Alpha-acetyllysine is a N-acetylated amino acid. It is a normal constituent of human urine with concentrations in normal samples too small to allow its routine detection; however it has been found at increased levels in the urine of a patient with aminoacylase I deficiency.