pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.5	IUPAC digitized pKa	0	-1	CCOC(=O)[C@@H](Br)C=O	CCOC(=O)[C-](Br)C=O	mol9774	CCOC(=O)C(Br)C=O