889939-46-2

6-chloro-2,3-dihydro-1,4-benzodioxin-7-sulfonyl chloride 7-chloro-2,3-dihydro-1,4-benzodioxine-6-sulfonyl chloride 1,4-Benzodioxin-6-sulfonyl chloride, 7-chloro-2,3-dihydro- 7-Chloro-2,3-dihydro-benzo[1,4]dioxine-6-sulfonyl chloride 7-Chloro-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonyl chloride