CNC(=O)CCC([N+](=O)[O-])[N+](=O)[O-]    mol9435    0_1
C[N-]C(=O)CCC([N+](=O)[O-])[N+](=O)[O-]    mol9435    -1_1
CNC(=O)CC[C-]([N+](=O)[O-])[N+](=O)[O-]    mol9435    -1_2