pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.1	OCHEM	0	-1	C[C@@H](O)[C@@H]([NH3+])C(=O)[O-]	C[C@@H](O)[C@@H](N)C(=O)[O-]	mol31695	C[C@@H](O)[C@@H](N)C(=O)O
2.09	OCHEM	1	0	C[C@@H](O)[C@@H]([NH3+])C(=O)O	C[C@@H](O)[C@@H]([NH3+])C(=O)[O-]	mol31695	C[C@@H](O)[C@@H](N)C(=O)O