8-Exo-碘-2-氮杂双环[3.3.0]-3-辛酮

2-cyclopent-2-en-1-ylacetaldehyde

2-(2-环戊烯-1-基)乙酰胺

[(2-cyclopent-2-en-1-ylacetyl)-prop-2-enylamino] acetate

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