pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.5	IUPAC digitized pKa	0	-1	O=C(O)/C=C/c1ccccc1	O=C([O-])/C=C/c1ccccc1	mol1166	O=C(O)/C=C/c1ccccc1
4.42	IUPAC digitized pKa	0	-1	O=C(O)/C=C/c1ccccc1	O=C([O-])/C=C/c1ccccc1	mol1166	O=C(O)/C=C/c1ccccc1
4.4	Datawarrior	0	-1	O=C(O)/C=C/c1ccccc1	O=C([O-])/C=C/c1ccccc1	mol1166	O=C(O)/C=C/c1ccccc1
4.45	OCHEM	0	-1	O=C(O)/C=C/c1ccccc1	O=C([O-])/C=C/c1ccccc1	mol1166	O=C(O)/C=C/c1ccccc1
4.26999998092651	QSARToolbox	0	-1	O=C(O)/C=C/c1ccccc1	O=C([O-])/C=C/c1ccccc1	mol1166	O=C(O)/C=C/c1ccccc1
4.44000005722046	QSARToolbox	0	-1	O=C(O)/C=C/c1ccccc1	O=C([O-])/C=C/c1ccccc1	mol1166	O=C(O)/C=C/c1ccccc1
4.42999982833862	QSARToolbox	0	-1	O=C(O)/C=C/c1ccccc1	O=C([O-])/C=C/c1ccccc1	mol1166	O=C(O)/C=C/c1ccccc1
4.42000007629395	QSARToolbox	0	-1	O=C(O)/C=C/c1ccccc1	O=C([O-])/C=C/c1ccccc1	mol1166	O=C(O)/C=C/c1ccccc1