Synonyms: | L-Proline,1-[1-[1-[1-[(1,1-dimethylethoxy)carbonyl]-L-prolyl]-L-prolyl]-L-prolyl]-; Proline,1-[1-[1-(1-carboxy-L-prolyl)-L-prolyl]-L-prolyl]-, mono-tert-butyl ester, L-(8CI); N-tert-Butoxycarbonyl-L-prolyl-L-prolyl-L-prolyl-L-proline;[(tert-Butyloxy)carbonyl]tetra-L-proline;tert-Butyloxycarbonyl-L-prolyl-L-prolyl-L-prolyl-L-proline |