proline,hydroxyethyl,methylguanidine
Proline
88105-99-1L-Proline,1-[N-[N-[1-[4-(4-hydroxyphenyl)-1-oxobutyl]-L-prolyl]-L-phenylalanyl]glycyl]-, phenylmethyl ester
88105-59-3L-Proline,1-[a-methyl-N-[1-[(phenylmethoxy)carbonyl]-L-prolyl]phenylalanyl]-,phenylmethyl ester