2-四氢呋喃甲酰氯

cis-β-formylacrylic acid

1-(2-furoyl)-4-phenylthiosemicarbazide

N-(furan-2-yl)acetamide

tert-butyl 2-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate