pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.29	Organic Oxygen Acids and Nitrogen Bases	0	-1	C=CCOc1ccc(CC(=O)O)cc1Cl	C=CCOc1ccc(CC(=O)[O-])cc1Cl	mol21774	C=CCOc1ccc(CC(=O)O)cc1Cl