pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.0	IUPAC digitized pKa	1	0	Cn1cccc([N+](=O)[O-])c1=[NH2+]	Cn1cccc([N+](=O)[O-])c1=N	mol6448	Cn1cccc([N+](=O)[O-])c1=N