pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.29999995231628	QSARToolbox	1	0	[NH3+]C(CC(=O)O)CC(=O)O	[NH3+]C(CC(=O)[O-])CC(=O)O	mol33895	NC(CC(=O)O)CC(=O)O