1,4,10,13-tetraoxacyclooctadecane-5,9,14,18-tetrone

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

2-溴戊二酸二甲酯

N,N'-二(苯基)戊二酰胺

1,5-bis(4-dodecoxyphenyl)pentane-1,5-dione