4,7-dioxo-decanedioic acid

4-(2,6-dioxo-cyclohexyl)-butyric acid methyl ester

硬脂酸

2,3,14,15,26,27,37,38,39,40,41,42-dodecaoxatetracyclo[26.8.2.2^4,13.2^16,25]dotetracontane

2-(4-carbomethoxybutyroyl)cyclopentanone