PYR-LEU-TYR-GLU-ASN-LYS-PRO-ARG-OH PGLU-LEU-TYR-GLU-ASN-LYS-PRO-ARG NEUROTENSIN (1-8) NEUROTENSIN FRAGMENT 1-8 5-Oxo-L-Pro-L-Leu-L-Tyr-L-Glu-L-Asn-L-Lys-L-Pro-L-Arg-OH Neurotensin(1-8)【ox】 PYR--LEU-TYR-GLU-ASN-LYS-PRO-ARG 5-Oxo-L-prolyl-L-leucyl-L-tyrosyl-L-a-glutamyl-L-asparaginyl-L-lysyl-L-prolyl-N5-(diaminomethylene)-L-ornithine