1-methyl-7-methylene-1-thionia-5-thiaspiro<5.11>heptadecane fluorosulfonate

2-<(phenylseleno)methyl>cyclododecanone

2-Iodomethyl-cyclododecanone

2-<(diethylamino)methyl>cyclododecanone

7-(methoxycarbonyl)-1,5-dithiaspiro<5.11>heptadecane