[(S)-1-((R)-2,2-Difluoro-1-(4-methoxy-phenylamino)-2-{(S)-2-methyl-1-[(pyridin-2-ylmethyl)-carbamoyl]-butylcarbamoyl}-ethyl)-3-methyl-butyl]-carbamic acid tert-butyl ester

(2S,4S,5S)-5-{(S)-2-Amino-3-[1-(toluene-4-sulfonyl)-1H-imidazol-4-yl]-propionylamino}-4-hydroxy-2-isopropyl-7-methyl-octanoic acid {(1S,2S)-2-methyl-1-[(pyridin-2-ylmethyl)-carbamoyl]-butyl}-amide

N--5(S)-amino-4(S)-hydroxy-2(S)-isopropyl-7-methyloctanoyl>-L-isoleucyl>-2-pyridylmethylamine

{(S)-1-[(S)-1-[(S)-1-((R)-2,2-Difluoro-1-hydroxy-2-{(1S,2S)-2-methyl-1-[(pyridin-2-ylmethyl)-carbamoyl]-butylcarbamoyl}-ethyl)-3-methyl-butylcarbamoyl]-2-(3H-imidazol-4-yl)-ethylcarbamoyl]-2-phenyl-ethyl}-carbamic acid tert-butyl ester