pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.49	IUPAC digitized pKa	1	0	Cn1nc2ncnc([NH3+])c2n1,Cn1nc2nc[nH+]c(N)c2n1,Cn1nc2c(N)ncnc2[nH+]1,Cn1nc2[nH+]cnc(N)c2n1,Cn1nc2ncnc(N)c2[nH+]1	Cn1nc2ncnc(N)c2n1	mol8342	Cn1nc2ncnc(N)c2n1