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

[5-sec-butyl-18-methyl-11-(2-nitro-cyclopropylmethyl)-4,7,10,13,16,20-hexaoxo-8,14-bis-(1-phenyl-ethyl)-2-propenyl-octadecahydro-19-oxa-3a,6,9,12,15-pentaaza-cyclopentacyclononadecen-17-yl]-carbamic acid 4-methyl-benzyl ester

H-(βMe)Phe-Ile-OMOM