(R)-1-(furan-3-yl)but-3-en-1-ol

5,8a-dimethyl-3,4,8,8a-tetrahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-6(7H)-one

(+)-[1-(furan-3-yl)-but-3-enyl]oxyacetic acid

(-)-1-[1-(furan-3-yl)-but-3-enyl]oxy-but-3-en-2-one

(1-furan-3-yl-but-3-enyloxy)-acetic acid ethyl ester