| 4-((1-(cyanomethyl)-2-pyrrolidinylidene)amino)-butanoic aci monohydrochlori |
| 1-cyanomethyl-2-(n-(gamma-carboxypropyl))iminopyrrolidine hydrochloride |
| 4-((1-(cyanomethyl)-2-pyrrolidinylidene)amino)butanoic acid monohydrochloride |
| 4-((1-(cyanomethyl)-2-pyrrolidinylidene)amino)-butanoic aci monohydrochloride |
