pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.445	OCHEM	0	-1	O=[N+]([O-])c1cccc(C=NO)c1	O=[N+]([O-])c1cccc(C=N[O-])c1	mol32432	O=[N+]([O-])c1cccc(C=NO)c1