pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.25	QSARToolbox	0	-1	CC(C)(O)CCOP(=O)(O)O	CC(C)(O)CCOP(=O)([O-])O	mol34354	CC(C)(O)CCOP(=O)(O)O