正庚醛肟

1-(3-hexyl-4,5-dihydroisoxazol-5-yl)ethan-1-one

2-methyl-3-n-pentylmaleic anhydride

diethyl 2-methyl-3-n-pentylmaleate

5-methoxycarbonyl-3-methyl-2-n-pentylcyclopent-2-ene-1,4-dione