leucine,enkephalin
Leucine
918880-94-1L-Leucine,L-a-glutamyl-L-alanyl-L-threonyl-L-valylglycyl-L-a-glutamyl-L-arginyl-L-valyl-L-arginyl-
569353-63-5L-Isoleucine,L-alanyl-L-glutaminyl-L-valyl-L-cysteinyl-L-cysteinyl-L-prolyl-L-a-aspartyl-
918880-64-5L-Isoleucine,L-arginyl-L-threonyl-L-asparaginyl-L-alanyl-L-seryl-L-valyl-L-prolyl-L-seryl-