Nc1ccncc1N    mol3660    0_1
Nc1ccncc1[NH3+]    mol3660    1_1
Nc1cnccc1[NH3+]    mol3660    1_2
Nc1cc[nH+]cc1N    mol3660    1_3
[NH3+]c1ccncc1[NH3+]    mol3660    2_1
Nc1cc[nH+]cc1[NH3+]    mol3660    2_2
Nc1c[nH+]ccc1[NH3+]    mol3660    2_3