Synonyms: 1,1-Dioxo-tetrahydrothiophen-3-one;3-Oxotetrahydrothiophene 1,1-dioxide; 3-Oxotetrahydrothiophene dioxide;3-Thiacyclopentanone dioxide; 4,5-Dihydro-3(2H)-thiophenone 1,1-dioxide;Tetrahydrothiophen-3-one 1,1-dioxide; Tetrahydrothiophen-3-oxo-1,1-dioxide;Tetrahydrothiophene-3-oxo-1,1-dioxide