O=C([O-])c1c(F)c(F)[nH+]c(F)c1F    mol22831    0_1
O=C(O)c1c(F)c(F)nc(F)c1F    mol22831    0_2
O=C([O-])c1c(F)c(F)nc(F)c1F    mol22831    -1_1