117062-52-9 L-Phenylalanine, N-(N-(N2-L-tyrosyl-D-arginyl)glycyl)-, ethyl ester N-(N-(N2-L-tyrosyl-D-arginyl)glycyl)-L-phenylalanine ethyl ester Tyr-arg-gly-phe-oet Tyrosyl-arginyl-glycyl-phenylalanine ethyl ester