We found compounds that inhibited << Panx1 >> currents with a rank order of potency: carbenoxolone > disodium 4,4'-diisothiocyanatostilbene-2,2'-disulfonate ([[ DIDS ]]) approximately disodium 4-acetamido-4'-isothiocyanato-stilben-2,2'-disulfonate approximately 5-nitro-2-(3-phenylpropylamino)benzoic acid > indanyloxyacetic acid 94 >> probenecid >> flufenamic acid = niflumic acid.