Cc1nc([O-])cc(N)[nH+]1    mol13680    0_1
Cc1nc(N)cc(O)n1    mol13680    0_2
Cc1nc([NH3+])cc([O-])n1    mol13680    0_3
Cc1nc(N)cc(O)[nH+]1    mol13680    1_1
Cc1nc([O-])cc([NH3+])[nH+]1    mol13680    1_2
Cc1nc([NH3+])cc(O)n1    mol13680    1_3
Cc1nc(O)cc(N)[nH+]1    mol13680    1_4