(8S)-7((S)-N-((S)-1-Carboxy-3-phenylpropyl)alanyl)-1,4-dithia-7-azaspiro(4.4)nonane-8-carboxylic acid, 1-ethyl ester, monohydrochloride 1,4-Dithia-7-azaspiro(4.4)nonane-8-carboxylic acid, 7-(2-((1-(ethoxycarbonyl)-3-phenylpropyl)amino)-1-oxopropyl)-, monohydrochloride, (8S-(7(R*(R*)),8R*))- 94841-17-5 Sch 33844 Spirapril hydrochloride Spirapril hydrochloride [USAN]