(Poly-lys)aaa 130059-78-8 DL-Alanine, N-(N-DL-alanyl-DL-alanyl)-, polymer with L-lysine, graft N-(N-DL-Alanyl-DL-alanyl)-DL-alanine polymer with L-lysine, graft Poly(lys(DL-ala-ala-ala)) Poly(lysine(alanyl-alanyl-alanine))