pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.47	IUPAC digitized pKa	0	-1	Cn1c(=O)c2ncc(O)nc2n(C)c1=O	Cn1c(=O)c2ncc([O-])nc2n(C)c1=O	mol4840	Cn1c(=O)c2ncc(O)nc2n(C)c1=O
-2.2	IUPAC digitized pKa	1	0	Cn1c(=O)c2[nH+]cc(O)nc2n(C)c1=O,Cn1c(=O)c2ncc(O)[nH+]c2n(C)c1=O	Cn1c(=O)c2ncc(O)nc2n(C)c1=O	mol4840	Cn1c(=O)c2ncc(O)nc2n(C)c1=O