pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.25	QSARToolbox	0	-1	O=C(O)c1cc2c([nH]1)-c1cccnc1C(=O)C2=O	O=C([O-])c1cc2c([nH]1)-c1cccnc1C(=O)C2=O	mol34073	O=C(O)c1cc2c([nH]1)-c1cccnc1C(=O)C2=O