(2S,4R)-1-(TERT-BUTOXYCARBONYL)-4-(PYRIDIN-4-YLMETHYL)PYRROLIDINE-2-CARBOXYLIC ACID

Z-DL-ALA-OSU

Z-ASN-OTBU

H-ASN-NH2HCL

Boc-Cys(Npys)-OH

H-GLU(BETANA)-OH

N-2-萘基-L-谷氨酰胺

H-GLN(ISOPROPYL)-OH

H-GLY-4MBETANA HCL

H-HIS-BETANA

BOC-HIS-NHNH2

AC-ILE-NH2