250726-91-1

1-{2H,3H-thieno[3,4-b][1,4]dioxin-5-yl}ethan-1-one 1-(2,3-Dihydrothieno[3,4-b]-1,4-dioxin-5-yl)ethanone Ethanone, 1-(2,3-dihydrothieno[3,4-b]-1,4-dioxin-5-yl)- 1-(2,3-Dihydrothieno[3,4-b][1,4]dioxin-5-yl)ethan-1-one