CCc1nc2cnc([O-])nc2[nH+]c1CC    mol26260    0_1
CCc1nc2cnc(O)nc2nc1CC    mol26260    0_2
CCc1nc2nc([O-])ncc2[nH+]c1CC    mol26260    0_3
CCc1nc2cnc([O-])nc2nc1CC    mol26260    -1_1