10,22-bis(p-tolylsulphonyl)-1,4,7,13,16,19-hexaoxa-10,22-diazcyclotetracosane

1-溴-2-(2-(2-(2-溴乙氧基)乙氧基)乙氧基)乙烷

3,6,9-三氧杂十一烷-1,11-二胺

1-(2-iodoethoxy)-2-[2-(2-iodoethoxy)ethoxy]ethane

1,11-bis(p-tolylsulphonylamino)-3,6,9-trioxaundecane