pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.75	IUPAC digitized pKa	0	-1	CCNc1ccccc1C(=O)O,CC[NH2+]c1ccccc1C(=O)[O-]	CCNc1ccccc1C(=O)[O-]	mol8525	CCNc1ccccc1C(=O)O
1.85	IUPAC digitized pKa	1	0	CC[NH2+]c1ccccc1C(=O)O	CCNc1ccccc1C(=O)O,CC[NH2+]c1ccccc1C(=O)[O-]	mol8525	CCNc1ccccc1C(=O)O