Cc1ncc2nc([O-])cnc2[nH+]1    mol26200    0_1
Cc1nc2ncc([O-])nc2c[nH+]1    mol26200    0_2
Cc1ncc2nc(O)cnc2n1    mol26200    0_3
Cc1ncc2nc([O-])c[nH+]c2n1    mol26200    0_4
Cc1ncc2nc([O-])cnc2n1    mol26200    -1_1