pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.06	IUPAC digitized pKa	0	-1	O=c1c(O)c(O)c(=O)c(=O)c1=O	O=c1c([O-])c(O)c(=O)c(=O)c1=O	mol9523	O=c1c(O)c(O)c(=O)c(=O)c1=O
4.1	IUPAC digitized pKa	0	-1	O=c1c(O)c(O)c(=O)c(=O)c1=O	O=c1c([O-])c(O)c(=O)c(=O)c1=O	mol9523	O=c1c(O)c(O)c(=O)c(=O)c1=O
4.5	IUPAC digitized pKa	0	-1	O=c1c(O)c(O)c(=O)c(=O)c1=O	O=c1c([O-])c(O)c(=O)c(=O)c1=O	mol9523	O=c1c(O)c(O)c(=O)c(=O)c1=O
4.25	IUPAC digitized pKa	0	-1	O=c1c(O)c(O)c(=O)c(=O)c1=O	O=c1c([O-])c(O)c(=O)c(=O)c1=O	mol9523	O=c1c(O)c(O)c(=O)c(=O)c1=O
4.72	IUPAC digitized pKa	0	-1	O=c1c(O)c(O)c(=O)c(=O)c1=O	O=c1c([O-])c(O)c(=O)c(=O)c1=O	mol9523	O=c1c(O)c(O)c(=O)c(=O)c1=O
3.765	AttenGpKa training set	0	-1	O=c1c(O)c(O)c(=O)c(=O)c1=O	O=c1c([O-])c(O)c(=O)c(=O)c1=O	mol9523	O=c1c(O)c(O)c(=O)c(=O)c1=O
4.78	AttenGpKa training set	0	-1	O=c1c(O)c(O)c(=O)c(=O)c1=O	O=c1c([O-])c(O)c(=O)c(=O)c1=O	mol9523	O=c1c(O)c(O)c(=O)c(=O)c1=O