pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.4	AttenGpKa training set	0	-1	O=C(O)CC(O)(O)C(=O)O	O=C([O-])CC(O)(O)C(=O)O,O=C(O)CC(O)(O)C(=O)[O-]	mol22314	O=C(O)CC(O)(O)C(=O)O