(E)-methyl 4-oxoocta-2,7-dienoate

乙二醇

3-(2-But-3-enyl-[1,3]dioxolan-2-yl)-2-phenylselanyl-propionic acid methyl ester

methyl 4-oxooct-7-enoate

methyl 3-(2-but-3-enyl-1,3-dioxolan-2-yl)propanoate