pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.01	IUPAC digitized pKa	2	1	Cn1c[nH+]c([N+](=O)[O-])c1CC(=O)N[NH3+]	Cn1c[nH+]c([N+](=O)[O-])c1CC(=O)NN,Cn1cnc([N+](=O)[O-])c1CC(=O)N[NH3+]	mol6672	Cn1cnc([N+](=O)[O-])c1CC(=O)NN