tert-butyl (S)-3-benzyloxycarbonylamino-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine-5-acetate

(S)-3-amino-2,3-dihydro-1,5(5H)-benzoxazepin-4-one.HCl

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

2(S)-3-(2-aminophenoxy)-2-((tert-butoxycarbonyl)amino)propanoic acid

(S)-2-((tert-butoxycarbonyl)amino)-3-(2-nitrophenoxy)propanoic acid