pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.8	IUPAC digitized pKa	1	0	Cn1c(N)nc(=O)c([N+](=O)[O-])c1[NH3+],Cn1c([NH3+])nc(=O)c([N+](=O)[O-])c1N,Cn1c(N)[nH+]c(=O)c([N+](=O)[O-])c1N	Cn1c(N)nc(=O)c([N+](=O)[O-])c1N	mol7281	Cn1c(N)nc(=O)c([N+](=O)[O-])c1N