131167-89-0 IKVAV Ile-lys-val-ala-val Isoleucyl-lysyl-valyl-alanyl-valine L-Valine, N-(N-(N-(N(2)-L-isoleucyl-L-lysyl)-L-valyl)-L-alanyl)- N-(N-(N-(N(2)-L-Isoleucyl-L-lysyl)-L-valyl)-L-alanyl)-L-valine