3-(2-propenyl)-2-methyl-4-oxo-2-cyclopentenyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate

3-(3'-butenyl)-5-acetyl-2-isoxazoline

2-but-3-enyl-2,5-dimethoxy-5-methyl-2,5-dihydro-furan