4-Pro-7,9,10-trp-substance P (4-11) 4-Prolyl-7,9,10-tryptophan-substance P (4-11) 83334-92-3 86917-57-9 Gpant-1 L-Methioninamide, L-prolyl-L-glutaminyl-L-glutaminyl-L-tryptophyl-L-phenylalanyl-L-tryptophyl-L-tryptophyl- Pttt-SP(4-11) Substance P (4-11), pro(4)-trp(7,9,10)- Substance P (4-11), prolyl(4)-tryptophan(7,9,10)-