pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.69	IUPAC digitized pKa	0	-1	C=C=CC(=O)O	C=C=CC(=O)[O-]	mol9119	C=C=CC(=O)O
3.96	Datawarrior	0	-1	C=C=CC(=O)O	C=C=CC(=O)[O-]	mol9119	C=C=CC(=O)O
3.96000003814697	QSARToolbox	0	-1	C=C=CC(=O)O	C=C=CC(=O)[O-]	mol9119	C=C=CC(=O)O
3.68	AttenGpKa training set	0	-1	C=C=CC(=O)O	C=C=CC(=O)[O-]	mol9119	C=C=CC(=O)O