Nc1ncc(C(=O)c2ccccc2)c(N)n1    mol7246    0_1
Nc1nc(N)c(C(=O)c2ccccc2)c[nH+]1    mol7246    1_1
Nc1ncc(C(=O)c2ccccc2)c(N)[nH+]1    mol7246    1_2
Nc1ncc(C(=O)c2ccccc2)c([NH3+])n1    mol7246    1_3
Nc1nc([NH3+])ncc1C(=O)c1ccccc1    mol7246    1_4