pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.7	IUPAC digitized pKa	0	-1	CON=C1C=CC(=NO)C=C1Br	CON=C1C=CC(=N[O-])C=C1Br	mol10329	CON=C1C=CC(=NO)C=C1Br