pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.9	IUPAC digitized pKa	0	-1	CO[C@@H](C)[C@H]([NH3+])C(=O)[O-]	CO[C@@H](C)[C@H](N)C(=O)[O-]	mol5251	CO[C@@H](C)[C@H](N)C(=O)O
1.92	IUPAC digitized pKa	1	0	CO[C@@H](C)[C@H]([NH3+])C(=O)O	CO[C@@H](C)[C@H]([NH3+])C(=O)[O-]	mol5251	CO[C@@H](C)[C@H](N)C(=O)O
1.91999995708466	QSARToolbox	1	0	CO[C@@H](C)[C@H]([NH3+])C(=O)O	CO[C@@H](C)[C@H]([NH3+])C(=O)[O-]	mol5251	CO[C@@H](C)[C@H](N)C(=O)O