1-(N-苯丙氨酰)吡咯烷

BOC-MET-ENKEPHALIN

(PYR6)-SUBSTANCE P (6-11)

ARG-PRO-LYS-PRO-GLN-GLN-PHE-PHE-GLY-LEU-MET-OME: RPKPQQFFGLM-OME

[D-蛋氨酰2,脯氨酰5]-脑啡肽酰胺