pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.7	Datawarrior	0	-1	O=C1C=CC(=O)c2c(O)cccc21	O=C1C=CC(=O)c2c([O-])cccc21	mol13737	O=C1C=CC(=O)c2c(O)cccc21
8.6999998	OCHEM	0	-1	O=C1C=CC(=O)c2c(O)cccc21	O=C1C=CC(=O)c2c([O-])cccc21	mol13737	O=C1C=CC(=O)c2c(O)cccc21