Synonyms:
5,5'-bithieno[3,4-b]-1,4-dioxin, 2,2',3,3'-tetrahydro- ; 2,3-dihydro-5-(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)thieno[3,4-b]dioxine ; 5-(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine ; 2,2',3,3'-tetrahydro-5,5'-bithieno[3,4-b][1,4]dioxine ; 2,3-dihydro-5-(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)thieno[3,4-b][1,4]dioxine ; 2,2',3,3'-tetrahydro-5,5'-bithieno[3,4-b]-1,4-dioxin