pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.01	IUPAC digitized pKa	0	-1	CN(C)C(=O)OCC(=O)O	CN(C)C(=O)OCC(=O)[O-]	mol9433	CN(C)C(=O)OCC(=O)O
3.00999999046326	QSARToolbox	0	-1	CN(C)C(=O)OCC(=O)O	CN(C)C(=O)OCC(=O)[O-]	mol9433	CN(C)C(=O)OCC(=O)O