Cc1nc2cc(N)ccc2n1C    mol4488    0_1
Cc1nc2cc([NH3+])ccc2n1C    mol4488    1_1
Cc1[nH+]c2cc(N)ccc2n1C    mol4488    1_2
Cc1[nH+]c2cc([NH3+])ccc2n1C    mol4488    2_1