MET-LEU-PHE ACETATE SALT L-METHIONYL-L-LEUCYL-PHENYLALANINE methionyl-leucyl-phenylalanine met-leu-phe acetate Met-leu-phe MET-LEU-PHE (MET-LEU-PHE ACETATE) H-MET-LEU-PHE-OH L-methionyl-L-leucyl-L-phenylalanine acetate