pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.74	OCHEM	1	0	O=[N+]([O-])c1ccc(-c2[nH]cc(-c3ccccc3)[nH+]2)cc1	O=[N+]([O-])c1ccc(-c2nc(-c3ccccc3)c[nH]2)cc1	mol21550	O=[N+]([O-])c1ccc(-c2nc(-c3ccccc3)c[nH]2)cc1