(5R,8S,11R,14S,16aS)-14-Benzyl-8-isopropyl-11-methyl-4,7,10,13,16-pentaoxo-hexadecahydro-3a,6,9,12,15-pentaaza-cyclopentacyclopentadecene-5-carbonitrile

2-((S)-1-amino-2-methylpropyl)-N-((S)-1-(4-carbamoyloxazol-2-yl)-2-phenylethyl)oxazole-4-carboxamide