pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.7	Organic Oxygen Acids and Nitrogen Bases	0	-1	O=C(O)c1cc(F)ccc1O	O=C([O-])c1cc(F)ccc1O	mol21748	O=C(O)c1cc(F)ccc1O