38000-06-5 L-Lysine polymer, SRU Poly(L-lysyl) Poly(imino(1-(4-aminobutyl)-2-oxo-1,2-ethanediyl)) Poly(imino(1-(4-aminobutyl)-2-oxo-1,2-ethanediyl)), (S)- (9CI) Poly(iminocarbonyl(5-aminopentylidene)), L- Poly-L-lysine, SRU Polylysine