pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.43	AttenGpKa training set	0	-1	O=C(O)C/C(=N\O)C(=O)O	O=C(O)C/C(=N\O)C(=O)[O-],O=C([O-])C/C(=N\O)C(=O)O	mol22310	O=C(O)C/C(=N\O)C(=O)O