[O-][C@](c1c(F)c(F)c(F)c(F)c1F)(C(F)(F)F)[C@](O)(c1c(F)c(F)c(F)c(F)c1F)C(F)(F)F    mol31320    -1_1
[O-][C@](c1c(F)c(F)c(F)c(F)c1F)(C(F)(F)F)[C@]([O-])(c1c(F)c(F)c(F)c(F)c1F)C(F)(F)F    mol31320    -2_1