pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.52	IUPAC digitized pKa	0	-1	Cc1cc(C(=O)O)cc(C)c1C	Cc1cc(C(=O)[O-])cc(C)c1C	mol11218	Cc1cc(C(=O)O)cc(C)c1C
4.51999998092651	QSARToolbox	0	-1	Cc1cc(C(=O)O)cc(C)c1C	Cc1cc(C(=O)[O-])cc(C)c1C	mol11218	Cc1cc(C(=O)O)cc(C)c1C