pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.28	IUPAC digitized pKa	1	0	NC(=[NH2+])Nc1ccc([N+](=O)[O-])cc1	N=C(N)Nc1ccc([N+](=O)[O-])cc1	mol6202	N=C(N)Nc1ccc([N+](=O)[O-])cc1