pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.89000034332275	QSARToolbox	-1	-2	COCC(O)(COC)S(=O)(=O)[O-]	COCC([O-])(COC)S(=O)(=O)[O-]	mol37917	COCC(O)(COC)S(=O)(=O)O