118675-77-7 L-Arginine, N2-(N2-(N2-(N-(N-(N2-(N-(N2-(N-(N2-L-lysyl-L-arginyl)-L-alanyl)-L-lysyl)-L-alanyl)-L-lysyl)-L-threonyl)-L-threonyl)-L-lysyl)-L-lysyl)- Lys-arg-ala-lys-ala-lys-thr-thr-lys-lys-arg Lysyl-arginyl-alanyl-lysyl-alanyl-lysyl-threonyl-threonyl-lysyl-lysyl-arginine N2-(N2-(N2-(N-(N-(N2-(N-(N2-(N-(N2-L-Lysyl-L-arginyl)-L-alanyl)-L-lysyl)-L-alanyl)-L-lysyl)-L-threonyl)-L-threonyl)-L-lysyl)-L-lysyl)-L-arginine PKCS