pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.14	OCHEM	0	-1	Cc1cc(C#N)ccc1C(=O)O	Cc1cc(C#N)ccc1C(=O)[O-]	mol10944	Cc1cc(C#N)ccc1C(=O)O
3.14000010490417	QSARToolbox	0	-1	Cc1cc(C#N)ccc1C(=O)O	Cc1cc(C#N)ccc1C(=O)[O-]	mol10944	Cc1cc(C#N)ccc1C(=O)O