pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.42	IUPAC digitized pKa	1	0	Cn1cnc([NH3+])c(N)c1=O,Cn1cnc(N)c([NH3+])c1=O,Cn1c[nH+]c(N)c(N)c1=O	Cn1cnc(N)c(N)c1=O	mol4133	Cn1cnc(N)c(N)c1=O