3-ethenyl-3,6-dihydrodithiine;3-vinyl-3,6-dihydrodithiine;3-ethenyl-3,6-dihydro-1,2-dithiine;3-Vinyl-1,2-dithiacyclohex-4-ene;3-Vinyl-3,6-dihydro-1,2-dithiine;3-Vinyl-1,2-dithio-4-cyclohexene
3-ethenyl-3,6-dihydrodithiine