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

(S)-2-((S)-9-Carboxymethyl-8-oxo-6,7,8,9-tetrahydro-5-oxa-9-aza-benzocyclohepten-7-ylamino)-4-cyclohexyl-butyric acid ethoxycarbonylmethyl ester; hydrochloride

benzyl 2-[(3S)-3-amino-4-oxo-2,3,4,5-tetrahydro-5H-1,5-benzoxazepin-5-yl]-ethanoate hydrochloride

(S)-2-((S)-9-tert-Butoxycarbonylmethyl-8-oxo-6,7,8,9-tetrahydro-5-oxa-9-aza-benzocyclohepten-7-ylamino)-4-cyclohexyl-butyric acid butyl ester

benzyl (S)-3-tert-butoxycarbonylamino-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine-5-acetate