1,4-dithiaspiro[4.5]decan-7-one

1-methyl-3-[4-(2-methyl-1,3-dithiolan-2-yl)phenyl]urea

1,4,8,11-tetrathiadispiro[4.1.4⁷.2⁵]tridecane

8-bromo-1,4-dithiaspiro[4.4]non-8-ene

2-methyl-2-pentyl-1,3-dithiolane