Inhibitor of the major neurotensin and neuromedin N degrading enzymes (IC50 values are 31, 40, 52 and 58 nM for endopeptidase 24.15, endopeptidase 24.11, leucine aminopeptidase and endopeptidase 24.16 respectively). Exhibits analgesic effects in various nociception assays. MW (observed): 449.54.