Cc1c(CC(=O)O)c(=O)oc2c(F)c(O)c(F)cc12    mol20707    0_1
Cc1c(CC(=O)O)c(=O)oc2c(F)c([O-])c(F)cc12    mol20707    -1_1
Cc1c(CC(=O)[O-])c(=O)oc2c(F)c(O)c(F)cc12    mol20707    -1_2