pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.92	OCHEM	1	0	O=[N+]([O-])c1cccc(-c2[nH]cc(-c3ccccc3)[nH+]2)c1	O=[N+]([O-])c1cccc(-c2nc(-c3ccccc3)c[nH]2)c1	mol21551	O=[N+]([O-])c1cccc(-c2nc(-c3ccccc3)c[nH]2)c1