pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.84000015258789	QSARToolbox	-1	-2	O=P([O-])(O)NCc1ccccc1	O=P([O-])([O-])NCc1ccccc1	mol37172	O=P(O)(O)NCc1ccccc1