pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.3	IUPAC digitized pKa	0	-1	Cn1c(=O)[nH]cc(Br)c1=O	Cn1c(=O)[n-]cc(Br)c1=O	mol9493	Cn1c(=O)[nH]cc(Br)c1=O