pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.66	IUPAC digitized pKa	1	0	Cc1c[nH+]c2c(n1)CNC=N2,Cc1cnc2c([nH+]1)CNC=N2,Cc1cnc2c(n1)CNC=[NH+]2	Cc1cnc2c(n1)CNC=N2	mol8159	Cc1cnc2c(n1)CNC=N2