Cc1nc2cc([N+](=O)[O-])c([N+](=O)[O-])cc2[nH]1    mol4527    0_1
Cc1[nH]c2cc([N+](=O)[O-])c([N+](=O)[O-])cc2[nH+]1    mol4527    1_1
Cc1nc2cc([N+](=O)[O-])c([N+](=O)[O-])cc2[n-]1    mol4527    -1_1