5-甲基己基-2-丁烯酸乙酯

4-甲基戊醛

4 -异丁基- 2 -吡咯烷酮

5-hydroxy-4-iso-butyl -5H-furan-2-one

3-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylmethyl)-pent-4-enoic acid ethyl ester