pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.53	OCHEM	0	-1	O=[N+]([O-])c1ccc(CNc2nn[nH]n2)cc1	O=[N+]([O-])c1ccc(CNc2nn[n-]n2)cc1	mol20340	O=[N+]([O-])c1ccc(CNc2nn[nH]n2)cc1