pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.55	IUPAC digitized pKa	0	-1	C=C[C@H](Cl)C(=O)O	C=C[C@H](Cl)C(=O)[O-]	mol9167	C=CC(Cl)C(=O)O
2.54	Datawarrior	0	-1	C=C[C@H](Cl)C(=O)O	C=C[C@H](Cl)C(=O)[O-]	mol9167	C=CC(Cl)C(=O)O
2.53999996185303	QSARToolbox	0	-1	C=C[C@H](Cl)C(=O)O	C=C[C@H](Cl)C(=O)[O-]	mol9167	C=CC(Cl)C(=O)O
2.54999995231628	QSARToolbox	0	-1	C=C[C@H](Cl)C(=O)O	C=C[C@H](Cl)C(=O)[O-]	mol9167	C=CC(Cl)C(=O)O