O=C(c1ccc([N+](=O)[O-])cc1)n1c(-c2ccccc2[N+](=O)[O-])nc2ccccc21    mol17579    0_1
O=C(c1ccc([N+](=O)[O-])cc1)n1c(-c2ccccc2[N+](=O)[O-])[nH+]c2ccccc21    mol17579    1_1