pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.95	IUPAC digitized pKa	1	0	N[C@@H]1C[C@@H]([NH3+])[C@@H](O)C(O)[C@@H]1O	N[C@@H]1C[C@@H](N)[C@@H](O)C(O)[C@@H]1O	mol5968	NC1CC(N)C(O)C(O)C1O
7.14	IUPAC digitized pKa	2	1	[NH3+][C@@H]1C[C@@H]([NH3+])[C@@H](O)C(O)[C@@H]1O	N[C@@H]1C[C@@H]([NH3+])[C@@H](O)C(O)[C@@H]1O	mol5968	NC1CC(N)C(O)C(O)C1O