96717-73-6 BRN 5599738 Butanoic acid, L-2-amino-4-(4-amino-2,5-cyclohexadien-1-yl)-L-isoleucyl- Butanoic acid, L-isoleucyl-gamma-(4-amino-2,5-cyclohexadien-1-yl)-L-alpha-amino- L-2-Amino-4-(4-amino-2,5-cyclohexadien-1-yl)-L-isoleucylbutanoic acid