5,5-二环己基咪唑烷-2,4-二酮

5-methyl-5-pentylimidazolidine-2,4-dione

5-methyl-5-(3-methylbutyl)imidazolidine-2,4-dione

6'-溴螺[咪唑烷-5,2'-四氢萘]-2,4-二酮

5-(4-甲氧苯基)乙内酰脲