pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.48999977111816	QSARToolbox	-2	-3	[NH3+]C(COCC(=O)[O-])(COCC(=O)[O-])COCC(=O)[O-]	NC(COCC(=O)[O-])(COCC(=O)[O-])COCC(=O)[O-]	mol35077	NC(COCC(=O)O)(COCC(=O)O)COCC(=O)O