Cc1nc2nc(O)nc(C)c2nc1C    mol26249    0_1
Cc1nc2nc([O-])nc(C)c2[nH+]c1C    mol26249    0_2
Cc1nc2c(C)nc([O-])nc2[nH+]c1C    mol26249    0_3
Cc1nc2nc([O-])nc(C)c2nc1C    mol26249    -1_1