Oleoyl proline is an N-acyl amine that can be detected in bovine brain extracts and D. melanogaster larvae using mass spectrometry. In a preclinical model of pain, mice lacking fatty acid amide hydrolase (FAAH KO) had decreased N-oleoyl proline levels in
L-Proline 4-methoxy-β-naphthylamide hydrochloride, also known as H-Pro-4MβNA hydrochloride, is a chemical compound utilized in the preparation of Fap-activated anti-tumor compounds.