5-(hexa-2,4-diynyl)-2-(4-hydroxybutyl)furan

1-[5-(4-Hydroxy-butyl)-furan-2-yl]-hexa-2,4-diyn-1-ol

4-(furan-2-yl)butan-1-ol

α-Furyl-1 acetoxy-4 butane

4-(5-formylfuran-2-yl)butyl acetate