pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.17000007629395	QSARToolbox	1	0	C[NH2+]CC(=O)NCC(=O)O	C[NH2+]CC(=O)NCC(=O)[O-]	mol34361	CNCC(=O)NCC(=O)O