(D-TRP2,7,9)-SUBSTANCE P

ARG-D-TRP-LYS-PRO-GLN-GLN-D-TRP-PHE-D-TRP-LEU-MET-NH2

H-ARG-D-TRP-LYS-PRO-GLN-GLN-D-TRP-PHE-D-TRP-LEU-MET-NH2