Nc1cccc([N+](=O)[O-])c1N    mol5986    0_1
Nc1c([NH3+])cccc1[N+](=O)[O-]    mol5986    1_1
Nc1cccc([N+](=O)[O-])c1[NH3+]    mol5986    1_2
[NH3+]c1cccc([N+](=O)[O-])c1[NH3+]    mol5986    2_1