NNc1ccc([N+](=O)[O-])cc1    mol8876    0_1
N[NH2+]c1ccc([N+](=O)[O-])cc1    mol8876    1_1
[NH3+]Nc1ccc([N+](=O)[O-])cc1    mol8876    1_2
[NH3+][NH2+]c1ccc([N+](=O)[O-])cc1    mol8876    2_1