pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.88	IUPAC digitized pKa	0	-1	CCCOP(=O)(O)O	CCCOP(=O)([O-])O	mol9080	CCCOP(=O)(O)O
1.6599999666214	QSARToolbox	0	-1	CCCOP(=O)(O)O	CCCOP(=O)([O-])O	mol9080	CCCOP(=O)(O)O
6.67	IUPAC digitized pKa	-1	-2	CCCOP(=O)([O-])O	CCCOP(=O)([O-])[O-]	mol9080	CCCOP(=O)(O)O