pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.75	QSARToolbox	0	-1	O=[P@H](O)[C@@H](O)c1ccccc1	O=[P@H]([O-])[C@@H](O)c1ccccc1	mol28913	O=[PH](O)C(O)c1ccccc1