CN(CC(=O)O)C(=O)CNC(=O)CN    mol8582    0_1
CN(CC(=O)[O-])C(=O)CNC(=O)C[NH3+]    mol8582    0_2
CN(CC(=O)O)C(=O)CNC(=O)C[NH3+]    mol8582    1_1
CN(CC(=O)[O-])C(=O)CNC(=O)CN    mol8582    -1_1