Alanine-L-lysine copolymer Alanine, polymer with L-lysine DL-Alanine-L-lysine copolymer DL-Alanine-L-lysine polymer DL-Alanine, polymer with L-lysine L-Lysine, polymer with alanine L-Lysine, polymer with DL-alanine Lysine, L-, peptide with DL-alanine Poly-DL-alanyl--poly-L-lysine