pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.68	IUPAC digitized pKa	0	-1	O=[P@@](O)(Oc1ccccc1)c1ccccc1	O=[P@@]([O-])(Oc1ccccc1)c1ccccc1	mol11703	O=P(O)(Oc1ccccc1)c1ccccc1