5-ethoxy-4-formyl-3-(1-phenylcarbonyloxypropyl)furan

2-chloro-4-chloromethyl-5-oxo-3-(1-phenylcarbonyloxypropyl)-2,5-dihydrofuran

2-hydroxy-4-hydroxymethyl-5-oxo-3-(1-phenylcarbonyloxypropyl)-2,5-dihydrofuran

2-(4-phenylcarbonyloxy-2-hexynyloxy)tetrahydro-2H-pyran

5-ethoxy-4-hydroxymethyl-3-(1-phenylcarbonyloxypropyl)furan