pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.53	IUPAC digitized pKa	0	-1	CC(C)(C)CC#CC(=O)O	CC(C)(C)CC#CC(=O)[O-]	mol10451	CC(C)(C)CC#CC(=O)O
2.54	Datawarrior	0	-1	CC(C)(C)CC#CC(=O)O	CC(C)(C)CC#CC(=O)[O-]	mol10451	CC(C)(C)CC#CC(=O)O
2.53999996185303	QSARToolbox	0	-1	CC(C)(C)CC#CC(=O)O	CC(C)(C)CC#CC(=O)[O-]	mol10451	CC(C)(C)CC#CC(=O)O