pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.356	IUPAC digitized pKa	0	-1	O=C(O)[C@]12CC[C@](Br)(CC1)C2	O=C([O-])[C@]12CC[C@](Br)(CC1)C2	mol10682	O=C(O)C12CCC(Br)(CC1)C2