174508-31-7

4-b][1 2,5-Dibromo-3,4-ethylenedioxythiophene&gt 2,5-Dibromo-3,4-ethylenedioxythiophene 97% 5,7-dibroMo-2H,3H-thieno[3,4-b][1,4]dioxine 5,7-DIBROMO-2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE 2,3-Dihydro[2,5-dibroMothioeno] [3,4-b]-1,4-dioxin Thieno[3,4-b]-1,4-dioxin, 5,7-dibromo-2,3-dihydro- 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine97% 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine 97% 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine ISO 9001：2015 REACH