pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.91	AttenGpKa training set	0	-1	C=C(O)C(=O)O	C=C(O)C(=O)[O-]	mol22191	C=C(O)C(=O)O