Cc1cnc([O-])nc1[NH3+]    mol4089    0_1
Cc1cnc(O)nc1N    mol4089    0_2
Cc1cnc(O)[nH+]c1N    mol4089    1_1
Cc1c[nH+]c(O)nc1N    mol4089    1_2
Cc1cnc(O)nc1[NH3+]    mol4089    1_3
Cc1cnc([O-])nc1N    mol4089    -1_1