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

(2S,3R)-N-(9-fluorenylmethoxycarbonyl)-β-methylphenylalanine

Z-(βMe)Phe-OH

Z-(β-Me)Phe-Ile-OMOM

(2S,3S)-2-{(2S,3R)-2-[(R)-2-[(2S,3R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-phenyl-butyrylamino]-3-((1R,2R)-2-nitro-cyclopropyl)-propionylamino]-3-phenyl-butyrylamino}-3-methyl-pentanoic acid methoxymethyl ester

(2S,4R)-((Z)-4-Propenyl)-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-[(1R,2R)-2-carboxy-1-methyl-2-(4-methyl-benzyloxycarbonylamino)-ethyl] ester

Ile-OMOM

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

(2S,4R)-((Z)-4-Propenyl)-pyrrolidine-1,2-dicarboxylic acid 2-[(1R,2R)-2-allyloxycarbonyl-1-methyl-2-(4-methyl-benzyloxycarbonylamino)-ethyl] ester 1-tert-butyl ester

(2S,3S)-2-{(2S,3R)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-((1R,2R)-2-nitro-cyclopropyl)-propionylamino]-3-phenyl-butyrylamino}-3-methyl-pentanoic acid methoxymethyl ester

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

Z-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

H-(βMe)Phe-Ile-OMOM