pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.5	OCHEM	0	-1	O=C(O)P(=O)(O)O	O=C([O-])P(=O)(O)O,O=C(O)P(=O)([O-])O	mol31922	O=C(O)P(=O)(O)O
3.4	OCHEM	-1	-2	O=C([O-])P(=O)(O)O,O=C(O)P(=O)([O-])O	O=C([O-])P(=O)([O-])O,O=C(O)P(=O)([O-])[O-]	mol31922	O=C(O)P(=O)(O)O
3.60999989509583	QSARToolbox	-1	-2	O=C([O-])P(=O)(O)O,O=C(O)P(=O)([O-])O	O=C([O-])P(=O)([O-])O,O=C(O)P(=O)([O-])[O-]	mol31922	O=C(O)P(=O)(O)O
7.3	OCHEM	-2	-3	O=C([O-])P(=O)([O-])O,O=C(O)P(=O)([O-])[O-]	O=C([O-])P(=O)([O-])[O-]	mol31922	O=C(O)P(=O)(O)O
7.57000017166138	QSARToolbox	-2	-3	O=C([O-])P(=O)([O-])O,O=C(O)P(=O)([O-])[O-]	O=C([O-])P(=O)([O-])[O-]	mol31922	O=C(O)P(=O)(O)O