pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.31	IUPAC digitized pKa	0	-1	COc1ccc(C(=O)O)c2ccccc12	COc1ccc(C(=O)[O-])c2ccccc12	mol771	COc1ccc(C(=O)O)c2ccccc12
4.30999994277954	QSARToolbox	0	-1	COc1ccc(C(=O)O)c2ccccc12	COc1ccc(C(=O)[O-])c2ccccc12	mol771	COc1ccc(C(=O)O)c2ccccc12