O=C(O)c1c(F)c(F)c(O)c(F)c1F mol10027 0_1 O=C([O-])c1c(F)c(F)c(O)c(F)c1F mol10027 -1_1 O=C(O)c1c(F)c(F)c([O-])c(F)c1F mol10027 -1_2 O=C([O-])c1c(F)c(F)c([O-])c(F)c1F mol10027 -2_1