tryptophan,leucine,gastr
Leucine
105989-43-3L-Leucine,L-glutaminyl-L-tyrosyl-L-alanyl-L-alanyl-L-glutaminyl-L-asparaginyl-L-arginyl-L-arginylglycyl-L-leucyl-L-a-aspartyl-L-leucyl-
104897-14-5L-Leucine,N-[N-[N-[(1,1-dimethylethoxy)carbonyl]-O-(phenylmethyl)-L-seryl]-L-valyl]-, hydrazide