pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.32	IUPAC digitized pKa	0	-1	O=C(O)c1ccccc1P(O)O	O=C([O-])c1ccccc1P(O)O	mol10169	O=C(O)c1ccccc1P(O)O
4.06	IUPAC digitized pKa	-1	-2	O=C([O-])c1ccccc1P(O)O	""	mol10169	O=C(O)c1ccccc1P(O)O