NC(=O)CC([N+](=O)[O-])[N+](=O)[O-]    mol9039    0_1
[NH-]C(=O)CC([N+](=O)[O-])[N+](=O)[O-]    mol9039    -1_1
NC(=O)C[C-]([N+](=O)[O-])[N+](=O)[O-]    mol9039    -1_2