pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.01	IUPAC digitized pKa	0	-1	Cc1[nH+]c[nH]c1C(=O)[O-]	Cc1nc[nH]c1C(=O)[O-]	mol6656	Cc1nc[nH]c1C(=O)O
2.53	IUPAC digitized pKa	1	0	Cc1[nH+]c[nH]c1C(=O)O	Cc1[nH+]c[nH]c1C(=O)[O-]	mol6656	Cc1nc[nH]c1C(=O)O