SubstanceP, 1-L-lysine-3-L-arginine-8-L-isoleucine-; Cod substance P; L-Methioninamide,L-lysyl-L-prolyl-L-arginyl-L-prolyl-L-glutaminyl-L-glutaminyl-L-phenylalanyl-L-isoleucylglycyl-L-leucyl-
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