pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.03	IUPAC digitized pKa	0	-1	Cn1cnc([N+](=O)[O-])c1CC(=O)O	Cn1cnc([N+](=O)[O-])c1CC(=O)[O-]	mol6657	Cn1cnc([N+](=O)[O-])c1CC(=O)O
-0.88	IUPAC digitized pKa	1	0	Cn1c[nH+]c([N+](=O)[O-])c1CC(=O)O	Cn1cnc([N+](=O)[O-])c1CC(=O)O	mol6657	Cn1cnc([N+](=O)[O-])c1CC(=O)O