52694-91-4
(3-chloro-1,1-dioxo-1-benzothiophen-2-yl)-phenylmethanone
21211-27-8
3-chloro-1,1-dioxo-1-benzothiophene-2-carboxylic acid
75307-96-9
3-Chlor-N-(chlorpyrrolidinomethylen)benzothiophen-2-carboxamid-1,1-dioxid

79726-04-8
(Z)-N-(3-chloro-1,1-dioxidocinnamoyl)morpholine-4-carbimidoyl chloride

122437-09-6
2-chlorosulfonylacetophenone-ω-sulfonyl chloride