pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.39	IUPAC digitized pKa	0	-1	Cn1c2nc(=O)[nH]c-2c[nH]c1=O	Cn1c2nc(=O)[nH]c-2c[n-]c1=O,Cn1c2nc(=O)[n-]c-2c[nH]c1=O	mol9684	Cn1c2nc(=O)[nH]c-2c[nH]c1=O