3,9-di(p-chlorophenyl)-2,4,8,10-tetraoxaspiro[5.5]undecane

3-(1,3-二噻烷-2-亚基)-2,4-戊二酮

2-(4-氯苯基)-1,3-二氧戊环

2-苯基-1,3-二恶烷

1-(1,3-dithian-2-ylidene)propan-2-one