pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.64	IUPAC digitized pKa	0	-1	COc1ccccc1[C@H](O)C(=O)O	COc1ccccc1[C@H](O)C(=O)[O-]	mol10888	COc1ccccc1C(O)C(=O)O
3.64000010490417	QSARToolbox	0	-1	COc1ccccc1[C@H](O)C(=O)O	COc1ccccc1[C@H](O)C(=O)[O-]	mol10888	COc1ccccc1C(O)C(=O)O