pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.25	IUPAC digitized pKa	0	-1	Cn1ccnc1C(=O)O,Cn1cc[nH+]c1C(=O)[O-]	Cn1ccnc1C(=O)[O-]	mol2521	Cn1ccnc1C(=O)O
1.53	IUPAC digitized pKa	1	0	Cn1cc[nH+]c1C(=O)O	Cn1ccnc1C(=O)O,Cn1cc[nH+]c1C(=O)[O-]	mol2521	Cn1ccnc1C(=O)O