sodium 2-((5-(carboxylatomethyl)-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]thiazepin-3-yl)amino)-4-phenylbutanoate

(R)-2-((R)-5-Carboxymethyl-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino)-4-cyclohexyl-butyric acid ethyl ester; hydrochloride

3(R)-[1(S)-ethoxycarbonyl-3-cyclohexylpropyl]amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetic acid hydrochloride

(S)-2-[(R)-5-(1-Carboxy-ethyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino]-4-cyclohexyl-butyric acid ethyl ester; hydrochloride

tert-butyl (R)-3-amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetate