perfluorotetrahydrothiophene-1,1-dioxide, octafluorohexahydrothiophene 1,1-dioxide, octafluorotetrahydrothiophene 1,1-dioxide, Thiophene,2,2,3,3,4,4,5,5-octafluorotetrahydro-,1,1-dioxide, Perfluortetramethylensulfon, Perfluorotetramethylensulfon, EINECS 255-641-0, Perfluorosulfolane