pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.42	IUPAC digitized pKa	0	-1	O=C(O)c1c(F)c(F)c(-c2c(F)c(F)c(F)c(F)c2F)c(F)c1F	O=C([O-])c1c(F)c(F)c(-c2c(F)c(F)c(F)c(F)c2F)c(F)c1F	mol811	O=C(O)c1c(F)c(F)c(-c2c(F)c(F)c(F)c(F)c2F)c(F)c1F