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1-(Adamantane-1-carbonyl)-pyrrolidine-2-carboxylic acid35084-48-146 % similar N-[(1S)-1-Carboxy-3-phenylpropyl]-L-alanyl-L-proline hydrate (1:2)84680-54-646 % similar 1-[(tert-Butoxy)carbonyl]piperidine-2-carboxylic acid118552-55-945 % similar (2S)-1-((tert-Butoxy)carbonyl)piperidine-2-carboxylic acid26250-84-045 % similar (R)-(+)-N-Boc-2-piperidinecarboxylic acid28697-17-845 % similar N-Boc-2-piperidinecarboxylic acid98303-20-945 % similar Glycylprolylhydroxyproline2239-67-044 % similar Benzyloxycarbonyl-L-proline1148-11-444 % similar N-(Benzyloxycarbonyl)-D-proline6404-31-544 % similar N-Methyl-D-pipecolic acid41447-17-044 % similar (αS)-α-Ethyl-2-oxo-1-pyrrolidineacetic acid102849-49-043 % similar Levetiracetam acid103833-72-343 % similar Lisinopril76547-98-342 % similar N-Alpha-(9-Fluorenylmethyloxycarbonyl)-L-prolinyl-L-proline129223-22-942 % similar Enalapril75847-73-341 % similar Lisinopril dihydrate83915-83-741 % similar 1-Methylpiperidine-2-carboxylic acid hydrochloride25271-35-641 % similar 1-Cbz-2-piperidinecarboxylic acid28697-07-640 % similar (D)-N-(Benzyloxycarbonyl)pipecolic acid28697-09-840 % similar 1-Carbobenzoxy-2-piperidinecarboxylic Acid71170-88-240 % similar