Nc1ccc2cccnc2c1    mol4351    0_1
[NH3+]c1ccc2cccnc2c1    mol4351    1_1
Nc1ccc2ccc[nH+]c2c1    mol4351    1_2
[NH3+]c1ccc2ccc[nH+]c2c1    mol4351    2_1