4,4-diethyl-5-pentan-3-yloxolane-2,3-dione

3-乙基-2-氧代戊腈

3-(2-ethylbutylidene)pentane-2,4-dione

3-(2-ethylbut-1-en-1-yl)pentane-2,4-dione

2-乙基-N-(2-乙基丁基)-1-丁胺