2-Ala-dynorphin (1-11) 75491-15-5 Ala-dynorphin Dynorphin (1-11), ala(2)- Dynorphin (1-11), alanine(2)- L-Lysine, N(2)-(1-(N(2)-(N-(N(2)-(N(2)-(N-(N-(N-(N-L-tyrosyl-D-alanyl)glycyl)-L-phenylalanyl)-L-leucyl)-L-arginyl)-L-arginyl)-L-isoleucyl)-L-arginyl)-L-prolyl)- L-Lysine, N2-(1-(N2-(N-(N2-(N2-(N-(N-(N-(N-L-tyrosyl-D-alanyl)glycyl)-L-phenylalanyl)-L-leucyl)-L-arginyl)-L-arginyl)-L-isoleucyl)-L-arginyl)-L-prolyl)-