pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.15000009536743	QSARToolbox	2	1	[NH3+]CCCC[C@@H]([NH3+])C(=O)O	[NH3+]CCCC[C@@H]([NH3+])C(=O)[O-]	mol33820	NCCCC[C@@H](N)C(=O)O