Cc1nc2cc(N)ccc2[nH]1    mol4494    0_1
Cc1[nH]c2ccc(N)cc2[nH+]1    mol4494    1_1
Cc1nc2cc([NH3+])ccc2[nH]1    mol4494    1_2
Cc1[nH]c2ccc([NH3+])cc2[nH+]1    mol4494    2_1