((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

1,4,7,10,13,16-hexaoxacyclooctadecane-2,6-dione

undecyl 2-(2-oxo-2-undecoxyethoxy)acetate

tridecyl 2-(2-oxo-2-tridecoxyethoxy)acetate