pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.95	AttenGpKa training set	0	-1	CC/C=C(\C)C(=O)O	CC/C=C(\C)C(=O)[O-]	mol22212	CC/C=C(\C)C(=O)O