Boc-b-HoPhe(4-Br)-OHRARECHEM AK PT B063Boc-β-HoPhe(4-Br)-OHBoc-beta-homoPhe(4-Br)Boc-beta-HPhe(4-Br)-OHBOC-PHE(4-BR)-(C*CH2)OHBOC-BETA-HOPHE(4-BR)-OHBoc-L-β-HomoPhe(4-Br)-OHBOC-4-BROMO-L-BETA-HOMOPHENYLALANINEBoc-L-3-Amino-4-(4-bromophenyl)butyric acid