Nc1ccc2nnc3ccccc3c2c1    mol5044    0_1
[NH3+]c1ccc2nnc3ccccc3c2c1    mol5044    1_1
Nc1ccc2n[nH+]c3ccccc3c2c1    mol5044    1_2
Nc1ccc2[nH+]nc3ccccc3c2c1    mol5044    1_3