pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.17	Datawarrior	0	-1	O=C(C1=C(O)C(=O)c2ccccc2C1=O)c1ccccc1	O=C(C1=C([O-])C(=O)c2ccccc2C1=O)c1ccccc1	mol15422	O=C(C1=C(O)C(=O)c2ccccc2C1=O)c1ccccc1
2.1700001	OCHEM	0	-1	O=C(C1=C(O)C(=O)c2ccccc2C1=O)c1ccccc1	O=C(C1=C([O-])C(=O)c2ccccc2C1=O)c1ccccc1	mol15422	O=C(C1=C(O)C(=O)c2ccccc2C1=O)c1ccccc1