benzyl N-[(1S)-2-[[(1S)-1-[[(1S,2S)-4-[[(1S)-2-[[(1S,2S)-4-amino-2-hydroxy-1-isobutyl-4-oxo-butyl]amino]-1-methyl-2-oxo-ethyl]amino]-2-hydroxy-1-isobutyl-4-oxo-butyl]carbamoyl]-2-methyl-propyl]amino]-1-[(4-hydroxyphenyl)methyl]-2-oxo-ethyl]carbamate