pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.0	OCHEM	0	-1	O=C1C(NS(=O)(=O)c2ccccc2)=C(Oc2ccc(Br)cc2)C(=O)c2ccccc21	O=C1C([N-]S(=O)(=O)c2ccccc2)=C(Oc2ccc(Br)cc2)C(=O)c2ccccc21	mol19203	O=C1C(NS(=O)(=O)c2ccccc2)=C(Oc2ccc(Br)cc2)C(=O)c2ccccc21