DL-LEU-DL-PHE

H-DL-LEU-DL-PHE-OH

Leucylphenylalanine

dl-leu-dl-phecrystalline

DL-LEUCYL-DL-PHENYLALANINE

D-Leu-D-Phe-OH/D-Leu-L-Phe-OH/L-Leu-D-Phe-OH/L-Leu-L-Phe-OH,(1:1:1:1)