Synonyms: L-Proline,1-[N-[N-[1-[N-[(phenylmethoxy)carbonyl]glycyl]-L-prolyl]-L-leucyl]glycyl]-;Proline, 1-[N-[N-[1-(N-carboxyglycyl)-L-prolyl]-L-leucyl]glycyl]-, N-benzylester (6CI); Proline, 1-[N-[N-[1-(N-carboxyglycyl)-L-prolyl]-L-leucyl]glycyl]-,N-benzyl ester, L- (7CI,8CI);N-(Benzyloxycarbonyl)glycyl-L-prolyl-L-leucylglycyl-L-proline; N-Carbobenzoxyglycyl-L-prolyl-L-leucylglycyl-L-proline
