2,3-Epoxy-1,4-butanediyl sulfone 2,3-Epoxytetramethylene sulfone 3,4-Epoxysulfolane 3,4-Epoxytetrahydrothiophene 1,1-dioxide 4-19-00-00111 (Beilstein Handbook Reference) 4509-11-9 6-OXA-3-THIABICYCLO(3.1.0)HEXANE 3,3-DIOXIDE BRN 0113462 EINECS 224-827-3 NSC 24263 Tetrahydro-3,4-epoxythiophene 1,1-dioxide Tetramethylene sulfone, 2,3-epoxy- Thiophene, tetrahydro-3,4-epoxy-, 1,1-dioxide