[1,4]dithiino[2,3-b][1,4]dithiine

5,6-dihydro-[1,3]dithiolo[4,5-b][1,4]dioxine-2-thione

6,7-dihydro-5H-[1,3]dithiolo[4,5-b][1,4]dithiepine-2-thione

2-isopropylidene-1,3-dithiolo[4,5-d]-1,3-dithiol-2-one

1,3-二硫杂环戊二烯-2-硫酮-4,5-二甲酸二甲酯