101554-61-4 L-Leucine, N-(N-(N2-(1-(N-(1-(N-(1-(N-(1-L-tyrosyl-L-prolyl)-L-phenylalanyl)-L-prolyl)glycyl)-L-prolyl)-L-isoleucyl)-L-prolyl)-L-asparginyl)-L-seryl)- Tyr-pro-phe-pro-gly-pro-ile-pro-asn-ser-leu Tyrosyl-prolyl-phenylalanyl-prolyl-glycyl-prolyl-isoleucyl-prolyl-asparaginyl-seryl-leucine beta-Casomorphin 11