glycyl,histidyl,arginyl,proline
Proline
918662-16-5L-Proline,N-[(1,1-dimethylethoxy)carbonyl]-3-methyl-L-valyl-4-[(5-chloro-2-pyridinyl)oxy]-, (4R)-
138075-25-9L-Proline,1-[N-[N-[N-[N-[N-(N-glycyl-L-valyl)glycyl]-L-valyl]-L-threonyl]-L-a-glutamyl]-L-threonyl]-