NC(=O)CCC([N+](=O)[O-])[N+](=O)[O-]    mol9220    0_1
NC(=O)CC[C-]([N+](=O)[O-])[N+](=O)[O-]    mol9220    -1_1
[NH-]C(=O)CCC([N+](=O)[O-])[N+](=O)[O-]    mol9220    -1_2