1,3-苯二甲醇

tetramethyl 6,9,19,22-tetraoxa-3,12,16,25-tetraaza-1,14(1,3)-dibenzenacyclohexacosaphane-3,12,16,25-tetracarboxylate

octamethyl 6,9,19,22,32,35,45,48-octaoxa-3,12,16,25,29,38,42,51-octaaza-1,14,27,40(1,3)-tetrabenzenacyclodopentacontaphan-3,12,16,25,29,38,42,51-octacarboxylate

cyclic oxaethyl diamide of phthalic acid

2-[2-[2-[2-(1,3-dioxoisoindol-2-yl)ethoxy]ethoxy]ethyl]isoindole-1,3-dione