6-{(2S,3R,4S,5S)-3-[(2S)-1-(benzyloxy)-2-methylbutyl]-2-methyl-4-nitro-5-phenylpyrrolidine-2-carboxamido}hexanoic acid

[(2S,3R,4S,5S)-1-(2-aminoacetyl)-3-[(2S)-1-(benzyloxy)-2-methylbutyl]-2-methyl-4-nitro-5-phenylprolylamino]-β-alanine