2-cyclopent-3-en-1-ylacetic acid

环戊-2-烯-1-乙酸环己基酯

1-cyclopent-2-en-1-yl-2-methylpropan-2-ol

N-benzyl-2-cyclopent-2-en-1-ylacetamide

3-cyclopent-2-en-1-ylpropanal