trifluoronorleucine,leucine
Leucine
215604-32-3L-Isoleucine,L-leucyl-L-glutaminyl-L-glutaminyl-L-arginyl-L-arginyl-L-seryl-L-valyl-L-leucyl-L-arginyl-L-threonyl-L-lysyl-
150045-09-3L-Leucine,N-[N-[N-[N2-[N2-[N-[N-[N2-[1-[N-(N-glycyl-L-leucyl)-L-valyl]-L-prolyl]-L-asparaginyl]-L-leucyl]-L-leucyl]-L-asparaginyl]-L-asparaginyl]-L-leucyl]glycyl]-