L-Alanyl-L-proline13485-59-1100 % similar Captopril62571-86-262 % similar Ac-dl-pro-oh1074-79-961 % similar N-Acetyl-L-proline68-95-161 % similar 1-[(2S)-3-(Acetylthio)-2-methyl-1-oxopropyl]-L-proline64838-55-755 % similar Glycyl-L-proline704-15-454 % similar 1-(2-Chloroacetyl)-L-proline23500-10-951 % similar N-Methyl-L-proline475-11-649 % similar N6-(2,2,2-Trifluoroacetyl)-L-lysyl-L-proline103300-89-648 % similar Enalaprilat76420-72-948 % similar Diprotin A90614-48-547 % similar L-Tryptophyl-L-proline38136-75-346 % similar D-Alanine338-69-246 % similar Alanine56-41-746 % 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 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