pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.13	OCHEM	-1	-2	O=P([O-])(O)c1ccccc1-c1ccccc1	O=P([O-])([O-])c1ccccc1-c1ccccc1	mol28999	O=P(O)(O)c1ccccc1-c1ccccc1
8.13000011444092	QSARToolbox	-1	-2	O=P([O-])(O)c1ccccc1-c1ccccc1	O=P([O-])([O-])c1ccccc1-c1ccccc1	mol28999	O=P(O)(O)c1ccccc1-c1ccccc1