pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.77	IUPAC digitized pKa	1	0	C[NH2+]Cc1cccc([N+](=O)[O-])c1	CNCc1cccc([N+](=O)[O-])c1	mol1560	CNCc1cccc([N+](=O)[O-])c1