117667-25-1 L-Tyrosine, L-tyrosyl-L-leucylglycyl-L-serylglycyl-, methyl ester L-Tyrosyl-L-leucylglycyl-L-serylglycyl-L-tyrosine methyl ester Lactoferrin (318-323) Lactoferroxin A Tyr-leu-gly-ser-gly-tyr-och3