acetyl-(arg6;ACETYL-ARG-PHE-PHE-SAR-LEU-MET[O2];ACETYL-(ARG6, SAR9, MET(O)211)-*SUBSTANC E P FRAGMEN;SUBSTANCE P ACETYL-[ARG6, SAR9, MET(O2)11]-FRAGMENT 6-11;acetyl-[arg6, sar9, met(o2)11]-substance p fragment 6-11;Acetyl-[Arg6, Sar9, Met(O2)11]-Substance P Fragment 6-11 >=95%;L-Methioninamide, N2-acetyl-L-arginyl-L-phenylalanyl-L-phenylalanyl-N-methylglycyl-L-leucyl-, S,S-dioxide