NC(=O)CCCC([N+](=O)[O-])[N+](=O)[O-]    mol9437    0_1
[NH-]C(=O)CCCC([N+](=O)[O-])[N+](=O)[O-]    mol9437    -1_1
NC(=O)CCC[C-]([N+](=O)[O-])[N+](=O)[O-]    mol9437    -1_2