DDE C[N+](C)(C)[C@H](CCc1[nH]cc(n1)C[C@@H](C(=O)O)N)C(=O)N {3-[4-(2-AMINO-2-CARBOXY-ETHYL)-1H-IMIDAZOL-2-YL]-1-CARBAMOYL-PROPYL}-TRIMETHYL-AMMONIUM