pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.98	IUPAC digitized pKa	1	0	Cn1cnc([NH3+])cc1=O,Cn1c[nH+]c(N)cc1=O	Cn1cnc(N)cc1=O	mol4078	Cn1cnc(N)cc1=O