tert-butyl (S)-1-((S)-5-((6-bromo-2-methoxynaphthalen-1-yl)methyl)-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-ylamino)-1-oxobutan-2-ylcarbamate

(S)-2-amino-N-((S)-5-((6-bromo-2-methoxynaphthalen-1-yl)methyl)-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-yl)butanamide

(S)-tert-butyl (5-ethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-yl)carbamate