3(S)-benzyloxycarbonylamino-2,3,4,5-tetrahydro-1,5-benzoxazepine-4-one

tert-butyl 3(S)-[1(S)-benzyloxycarbonyl-3-cyclohexylpropyl]amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine-5-acetate

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

(S)-3-amino-2,3-dihydrobenzo[b][1,4]oxazepin-4(5H)-one trifluoroacetate

tert-butyl (S)-1-((S)-5-((6-cyclopropyl-2-methoxynaphthalen-1-yl)methyl)-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-ylamino)-1-oxopropan-2-yl(methyl)carbamate