1-oxo-2-n-pentyl-2-cyclopenten-4-ol

4-hydroxy-5-pentylcyclopent-2-en-1-one

锌

ethyl 2-oxo-1-pentylcyclopentane-1-carboxylate

((3-pentylcyclopent-1-ene-1,2-diyl)bis(oxy))bis(trimethylsilane)