proline,methionyl,leucyl,arginyl
Proline
393513-20-7L-Proline,N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-a-glutamyl-L-valyl-L-valyl-,1-(1,1-dimethylethyl) ester
393513-21-8L-Proline,N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-a-glutamyl-L-a-glutamyl-L-valyl-L-valyl-, 1,2-bis(1,1-dimethylethyl) ester