8024
The desired 3 - ( arylsulfonyl ) spiroimidazolidine - 2 , 4 - diones were synthesized by reacting spiroiminoimidazolidine - 2 , 4 - dione with arylsulfonyl chlorides .
 Chemical: 3 - ( arylsulfonyl ) spiroimidazolidine - 2 , 4 - diones; Chemical: spiroiminoimidazolidine - 2 , 4 - dione; Chemical: arylsulfonyl chlorides
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: 3 - ( arylsulfonyl ) spiroimidazolidine - 2 , 4 - diones; Chemical: spiroiminoimidazolidine - 2 , 4 - dione; Chemical: arylsulfonyl chlorides