pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.59	IUPAC digitized pKa	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.616	IUPAC digitized pKa	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.618	IUPAC digitized pKa	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.611	IUPAC digitized pKa	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.621	IUPAC digitized pKa	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.631	IUPAC digitized pKa	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.647	IUPAC digitized pKa	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.63	Datawarrior	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.62	OCHEM	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.6300001	OCHEM	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.65	OCHEM	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.66000008583069	QSARToolbox	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.61999988555908	QSARToolbox	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.73000001907349	QSARToolbox	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.65000009536743	QSARToolbox	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O
2.59999990463257	QSARToolbox	0	-1	CC#CC(=O)O	CC#CC(=O)[O-]	mol1871	CC#CC(=O)O