——  3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine  ——
Product Name：3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine
Specification：99.50%
CAS No：155861-77-1
3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine