pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.68	OCHEM	0	-1	O=C(NBr)C(Cl)Cl	O=C(NBr)[C-](Cl)Cl,O=C([N-]Br)C(Cl)Cl	mol31872	O=C(NBr)C(Cl)Cl