pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.59	IUPAC digitized pKa	0	-1	O=P(O)(O)OCc1ccccc1	O=P([O-])(O)OCc1ccccc1	mol10220	O=P(O)(O)OCc1ccccc1
6.12	IUPAC digitized pKa	-1	-2	O=P([O-])(O)OCc1ccccc1	O=P([O-])([O-])OCc1ccccc1	mol10220	O=P(O)(O)OCc1ccccc1