Nc1cccc2nc3ccccc3cc12    mol4972    0_1
Nc1cccc2[nH+]c3ccccc3cc12    mol4972    1_1
[NH3+]c1cccc2nc3ccccc3cc12    mol4972    1_2
[NH3+]c1cccc2[nH+]c3ccccc3cc12    mol4972    2_1