L-Lysine, N6-(2,4-dinitrophenyl)-L-lysyl-L-lysyl-L-lysyl-L-lysyl-L-lysyl-N6-(2,4-dinitrophenyl)-L-lysyl-L-lysyl-L-lysyl-L-lysyl-L-lysyl-N6-(2,4-dinitrophenyl)-L-lysyl-L-lysyl-L-lysyl-L-lysyl-L-lysyl-N6-(2,4-dinitrophenyl)-