pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.72	IUPAC digitized pKa	0	-1	C[C@@]1(C(=O)O)C[C@]1(Cl)C(=O)O	C[C@@]1(C(=O)[O-])C[C@]1(Cl)C(=O)O,C[C@@]1(C(=O)O)C[C@]1(Cl)C(=O)[O-]	mol9741	C[C@@]1(C(=O)O)C[C@]1(Cl)C(=O)O
4.27	IUPAC digitized pKa	-1	-2	C[C@@]1(C(=O)[O-])C[C@]1(Cl)C(=O)O,C[C@@]1(C(=O)O)C[C@]1(Cl)C(=O)[O-]	C[C@@]1(C(=O)[O-])C[C@]1(Cl)C(=O)[O-]	mol9741	C[C@@]1(C(=O)O)C[C@]1(Cl)C(=O)O