pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.74	IUPAC digitized pKa	0	-1	CC/C=C/C(=O)O	CC/C=C/C(=O)[O-]	mol9323	CC/C=C/C(=O)O
4.69	Datawarrior	0	-1	CC/C=C/C(=O)O	CC/C=C/C(=O)[O-]	mol9323	CC/C=C/C(=O)O
4.7	OCHEM	0	-1	CC/C=C/C(=O)O	CC/C=C/C(=O)[O-]	mol9323	CC/C=C/C(=O)O
4.69000005722046	QSARToolbox	0	-1	CC/C=C/C(=O)O	CC/C=C/C(=O)[O-]	mol9323	CC/C=C/C(=O)O