Cn1cnc2nc(O)[nH]c2c1=O    mol4866    0_1
Cn1c[nH+]c2nc([O-])[nH]c2c1=O    mol4866    0_2
Cn1cnc2nc(O)[n-]c2c1=O    mol4866    -1_1
Cn1cnc2nc([O-])[nH]c2c1=O    mol4866    -1_2
Cn1cnc2nc([O-])[n-]c2c1=O    mol4866    -2_1