gastrin,leucine
Leucine
873888-69-8L-Leucine,L-valyl-L-seryl-L-phenylalanyl-L-phenylalanylglycyl-L-alanyl-L-phenylalanyl-L-lysyl-
871319-85-6L-Leucine,glycyl-L-seryl-L-arginyl-L-alanyl-L-histidyl-L-seryl-L-seryl-L-histidyl-L-leucyl-L-lysyl-L-seryl-L-lysylglycyl-L-glutaminyl-L-seryl-L-threonyl-L-seryl-L-arginyl-L-histidyl-L-lysyl-L-lysyl-