pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.6	IUPAC digitized pKa	0	-1	CCOP(=O)(O)O	CCOP(=O)([O-])O	mol8962	CCOP(=O)(O)O
6.62	IUPAC digitized pKa	-1	-2	CCOP(=O)([O-])O	CCOP(=O)([O-])[O-]	mol8962	CCOP(=O)(O)O