pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.11	OCHEM	0	-1	O=C(O)CC(=O)C(Cl)Cl	O=C([O-])CC(=O)C(Cl)Cl	mol1762	O=C(O)CC(=O)C(Cl)Cl