pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.9	IUPAC digitized pKa	0	-1	CCC(C(=O)O)(C(=O)O)c1ccccc1	CCC(C(=O)[O-])(C(=O)O)c1ccccc1	mol11513	CCC(C(=O)O)(C(=O)O)c1ccccc1
7.12	IUPAC digitized pKa	-1	-2	CCC(C(=O)[O-])(C(=O)O)c1ccccc1	CCC(C(=O)[O-])(C(=O)[O-])c1ccccc1	mol11513	CCC(C(=O)O)(C(=O)O)c1ccccc1
7.16	IUPAC digitized pKa	-1	-2	CCC(C(=O)[O-])(C(=O)O)c1ccccc1	CCC(C(=O)[O-])(C(=O)[O-])c1ccccc1	mol11513	CCC(C(=O)O)(C(=O)O)c1ccccc1