7,16-二[(4-甲基苯基)磺酰基]-1,4,10,13-四氧杂-7,16-二氮杂环十八烷

N-p-toluenesulphonyl-4,7-dioxanonazine

4,4'-(3,6-dioxaocta-1,8-diyloxy)-bis(benzophenone)