pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.9	OCHEM	1	0	O=[N+]([O-])c1cccc(-c2cc[nH+]cc2)c1	O=[N+]([O-])c1cccc(-c2ccncc2)c1	mol3766	O=[N+]([O-])c1cccc(-c2ccncc2)c1