2,3-dihydro-4H-thiopyran-4-one

2-(p-tolylsulfonyl)-4-thianone

7-(p-tolylsulfonyl)-1,4-dioxa-8-thiaspiro[4.5]decane 8,8-dioxide

7-n-pentyl-7-(p-tolylsulfonyl)-1,4-dioxa-8-thiaspiro[4.5]-decane 8,8-dioxide

7-(Toluene-4-sulfonyl)-1,4-dioxa-8-thia-spiro[4.5]decane