6-Pglu-7-N-mephe-substance P (6-11) 77160-85-1 GMPSP L-Methioninamide, 5-oxo-L-prolyl-N-methyl-L-phenylalanyl-L-phenylalanylglycyl-L-leucyl- Substance P (6-11), pglu(6)-N-mephe(7)- Substance P (6-11), pyroglutamyl(6)-N-methylphenylalanine(7)-