pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.89	AttenGpKa training set	0	-1	O=C(O)C#CCC(=O)O	O=C(O)C#CCC(=O)[O-],O=C([O-])C#CCC(=O)O	mol22525	O=C(O)C#CCC(=O)O