pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.53	IUPAC digitized pKa	0	-1	CC(=O)c1c(O)cc(C)oc1=O	CC(=O)c1c([O-])cc(C)oc1=O	mol10427	CC(=O)c1c(O)cc(C)oc1=O
5.12	IUPAC digitized pKa	0	-1	CC(=O)c1c(O)cc(C)oc1=O	CC(=O)c1c([O-])cc(C)oc1=O	mol10427	CC(=O)c1c(O)cc(C)oc1=O