pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.48	IUPAC digitized pKa	1	0	Cn1cnc(=N)c2ncc[nH+]c21,Cn1c[nH+]c(=N)c2nccnc21,Cn1cnc(=[NH2+])c2nccnc21,Cn1cnc(=N)c2[nH+]ccnc21	Cn1cnc(=N)c2nccnc21	mol4776	Cn1cnc(=N)c2nccnc21