pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.53999996185303	QSARToolbox	2	1	[NH3+][C@@H]1C[NH2+]CC[C@@H]1C(=O)O	[NH3+][C@@H]1C[NH2+]CC[C@@H]1C(=O)[O-]	mol38313	N[C@@H]1CNCC[C@@H]1C(=O)O