6-(4-chlorophenyl)-2,3-dihydro-[1,4]dithiino[2,3-c]pyrrole-5,7-dione

6-phenyl-2,3-dihydro-[1,4]dithiino[2,3-c]pyrrole-5,7-dione

6-(2-hydroxyethyl)-2,3-dihydro-[1,4]dithiino[2,3-c]pyrrole-5,7-dione

5,6-二氢-1,4-二噻烯-2,3-二羧(甲)酰亚胺

3-(5,7-二氧代-6-苯基-2,3-二氢环戊烯并[b][1,4]二噻英-6-基)哌啶-2,6-二酮