[NH3+]CCCC[C@H]([NH2+][C@@H](CCc1ccccc1)C([O-])=O)C(=O)N[C@@H](Cc2c[nH]c3ccccc23)C([O-])=O LSW_1_3L3N -1.129 169.392 36 494.592 9 7 1 15 457.894