pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.88999998569489	QSARToolbox	2	1	C[C@H](C(=O)O)[NH+](CC[NH+]([C@@H](C)C(=O)O)[C@@H](C)C(=O)O)[C@@H](C)C(=O)O	C[C@H](C(=O)O)[NH+](CC[NH+]([C@@H](C)C(=O)[O-])[C@@H](C)C(=O)O)[C@@H](C)C(=O)O	mol34789	CC(C(=O)O)N(CCN(C(C)C(=O)O)C(C)C(=O)O)C(C)C(=O)O