pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.09	OCHEM	0	-1	O=C1C(=O)[C@H](Cl)C(=O)C(=O)[C@H]1Cl	O=C1C(=O)C(Cl)C(=O)C(=O)[C-]1Cl	mol32969	O=C1C(=O)C(Cl)C(=O)C(=O)C1Cl