O=C(O)c1c[n+]([O-])ccc1[N+](=O)[O-]    mol9630    0_1
O=C([O-])c1c[n+](O)ccc1[N+](=O)[O-]    mol9630    0_2
O=C([O-])c1c[n+]([O-])ccc1[N+](=O)[O-]    mol9630    -1_1