pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.77	IUPAC digitized pKa	1	0	O=C(O)C[P+](c1ccccc1)(c1ccccc1)c1ccccc1	O=C([O-])C[P+](c1ccccc1)(c1ccccc1)c1ccccc1	mol12274	O=C(O)C[P+](c1ccccc1)(c1ccccc1)c1ccccc1
1.76999998092651	QSARToolbox	1	0	O=C(O)C[P+](c1ccccc1)(c1ccccc1)c1ccccc1	O=C([O-])C[P+](c1ccccc1)(c1ccccc1)c1ccccc1	mol12274	O=C(O)C[P+](c1ccccc1)(c1ccccc1)c1ccccc1