71901-21-8 Cho-nle-leu-phe-nle-tyr-lys F-Peptide F-chemotactic peptide FNLELFNLRYK FNLPNTL Fnle-leu-phe-nle-tyr-lys Fnorleu-leu-phe-norleu-tyr-lys Formylnorleucyl-leucyl-phenylalanyl-norleucyl-tyrosyl-lysine L-Lysine, N(2)-(N-(N-(N-(N-(N-formyl-L-norleucyl)-L-leucyl)-L-phenylalanyl)-L-norleucyl)-L-tyrosyl)- N-Formyl hexapeptide N-Formyl-nle-leu-phe-nle-tyr-lys