pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.40000009536743	QSARToolbox	1	0	O=[N+]([O-])c1cccc(N=[NH+]O)c1	O=[N+]([O-])c1cccc(N=NO)c1	mol34357	O=[N+]([O-])c1cccc(N=NO)c1