pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.33	IUPAC digitized pKa	1	0	Cc1[nH+]c2ccncc2n(C)c1=O,Cc1nc2cc[nH+]cc2n(C)c1=O	Cc1nc2ccncc2n(C)c1=O	mol8024	Cc1nc2ccncc2n(C)c1=O