NNc1ncncc1[N+](=O)[O-]    mol7462    0_1
N[NH2+]c1ncncc1[N+](=O)[O-]    mol7462    1_1
NNc1[nH+]cncc1[N+](=O)[O-]    mol7462    1_2
[NH3+]Nc1ncncc1[N+](=O)[O-]    mol7462    1_3
NNc1nc[nH+]cc1[N+](=O)[O-]    mol7462    1_4