pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.23	IUPAC digitized pKa	0	-1	Cn1c(O)nc2ncncc21	Cn1c([O-])nc2ncncc21	mol4888	Cn1c(O)nc2ncncc21
2.66	IUPAC digitized pKa	1	0	Cn1c(O)[nH+]c2ncncc21,Cn1c(O)nc2nc[nH+]cc21,Cn1c(O)nc2[nH+]cncc21	Cn1c(O)nc2ncncc21	mol4888	Cn1c(O)nc2ncncc21