1,7,10,13,16-pentaoxacyclo-octadecane-2,6,11,15-tetraone

1,4,7,10,13,16,19,22,25,28,31,34,37,40,43-pentadecaoxacyclopentatetracontane-2,6,11,15,20,24,29,33,38,42-decaone

苯甲酸乙二酯

((2,2'-oxybis(acetyl))bis(oxy))bis(ethane-2,1-diyl) dibenzoate

4,8,13,17-tetraoxo-3,6,9,12,15,18-hexaoxaicosane-1,20-diyl dibenzoate