O=C(O)c1ccc2nc(C(F)(F)F)[n-]c2c1    mol32838    -1_1
O=C([O-])c1ccc2nc(C(F)(F)F)[nH]c2c1    mol32838    -1_2
O=C([O-])c1ccc2nc(C(F)(F)F)[n-]c2c1    mol32838    -2_1