NC(=O)[C@@H]1C[C@@H](N(O)C(=O)[C@@H]([NH3+])CCCNC(=[NH2+])NN(=O)=O)C[NH2+]1 4HX_799_2HX4 -3.07 223.347 24 349.372 13 12 2 10 304.945