pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.75	IUPAC digitized pKa	0	-1	CC(=NO)C(=O)CBr	CC(=N[O-])C(=O)CBr	mol9280	CC(=NO)C(=O)CBr