苯并-12-冠4-醚

苯并-18-冠-6-醚

苯并-15-冠醚-5

2-[2-[2-[2-[2,6-bis(bromomethyl)phenoxy]ethoxy]phenoxy]ethoxy]-1,3-bis(bromomethyl)benzene

苯并氮杂-15-冠-5