pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.67	Datawarrior	0	-1	C/C=C/C#CC(=O)O	C/C=C/C#CC(=O)[O-]	mol12439	C/C=C/C#CC(=O)O
2.67000007629395	QSARToolbox	0	-1	C/C=C/C#CC(=O)O	C/C=C/C#CC(=O)[O-]	mol12439	C/C=C/C#CC(=O)O
2.66	AttenGpKa training set	0	-1	C/C=C/C#CC(=O)O	C/C=C/C#CC(=O)[O-]	mol12439	C/C=C/C#CC(=O)O