pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.2	IUPAC digitized pKa	0	-1	CC(=O)OP(=O)(O)O	CC(=O)OP(=O)([O-])O	mol8955	CC(=O)OP(=O)(O)O
1.20000004768372	QSARToolbox	0	-1	CC(=O)OP(=O)(O)O	CC(=O)OP(=O)([O-])O	mol8955	CC(=O)OP(=O)(O)O
4.9	IUPAC digitized pKa	-1	-2	CC(=O)OP(=O)([O-])O	CC(=O)OP(=O)([O-])[O-]	mol8955	CC(=O)OP(=O)(O)O
4.80000019073486	QSARToolbox	-1	-2	CC(=O)OP(=O)([O-])O	CC(=O)OP(=O)([O-])[O-]	mol8955	CC(=O)OP(=O)(O)O
4.90000009536743	QSARToolbox	-1	-2	CC(=O)OP(=O)([O-])O	CC(=O)OP(=O)([O-])[O-]	mol8955	CC(=O)OP(=O)(O)O