Nc1cccc2cc3ccccc3nc12    mol4975    0_1
[NH3+]c1cccc2cc3ccccc3nc12    mol4975    1_1
Nc1cccc2cc3ccccc3[nH+]c12    mol4975    1_2
[NH3+]c1cccc2cc3ccccc3[nH+]c12    mol4975    2_1