pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.89999997615814	QSARToolbox	2	1	[NH3+][C@@H]1CC[NH2+]C[C@@H]1C(=O)O	[NH3+][C@@H]1CC[NH2+]C[C@@H]1C(=O)[O-]	mol38312	N[C@@H]1CCNC[C@@H]1C(=O)O