pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.8	OCHEM	0	-1	O=C(O)C=CC(=O)NOCc1ccccc1	O=C([O-])C=CC(=O)NOCc1ccccc1	mol11569	O=C(O)C=CC(=O)NOCc1ccccc1