pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.9	AttenGpKa training set	0	-1	OOC(Br)(Br)Br	[O-]OC(Br)(Br)Br	mol31384	OOC(Br)(Br)Br