戊醛

oct-7-ene-2,6-dione

[3-(2-methyl-[1,3]dioxolan-2-yl)-propyl]-magnesium chloride

1-(Bicyclo[2.2.1]hept-5-en-2-yl)-4-(2-methyl-1,3-dioxolan-2-yl)-1-butanon

1-(Bicyclo[2.2.1]hept-5-en-2-yl)-1,5-hexandion