6,7-dihydro-5H-[1,3]dithiolo[4,5-b][1,4]dithiepin-2-one

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

4,5-甲二硫基-1,3-二硫醇-2-酮

4,5-亚甲基二硫代-1,3-二硫杂环戊烯-2-硫酮