10,19-bis-(p-tolylsulphonyl)-1,4,7,13,16-pentaoxa-10,19-diazacyclohemicosane

1,8-二氨基-3,6-二氧杂辛烷

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

1,4,7,13,16-pentaoxa-10,19-diaza-cycloheneicosane-11,18-dione

3,6,9-三氧杂十一烷-1,11-二胺