NCc1nc2ccccc2[nH]1    mol4490    0_1
NCc1[nH]c2ccccc2[nH+]1    mol4490    1_1
[NH3+]Cc1nc2ccccc2[nH]1    mol4490    1_2
[NH3+]Cc1[nH]c2ccccc2[nH+]1    mol4490    2_1
NCc1nc2ccccc2[n-]1    mol4490    -1_1