Z-(βMe)Phe-OH

(2R,3R)-3-Hydroxy-2-(4-methyl-benzyloxycarbonylamino)-butyric acid allyl ester

H-(βMe)Phe-Ile-OMOM

N-Fmoc-3-(2R,1'R,2'R)-(trans-2'-nitrocyclopropyl)alanine

(2S,3S)-2-{(2S,3R)-2-[(R)-2-Amino-3-((1R,2R)-2-nitro-cyclopropyl)-propionylamino]-3-phenyl-butyrylamino}-3-methyl-pentanoic acid methoxymethyl ester