庚-5-烯-2-酮

1-(oxan-2-yloxy)non-7-en-4-one

(1R,2S,5S,6R,7S)-5-[3-(Z)-pentenyl]-4-oxatricyclo[5.2.1.02,6]dec-8-en-3-one

((Z)-2-Pent-3-enyl)-tetrahydro-furan-2-ol

(1R,2S,5S,6R,7S)-5-[3-(E)-pentenyl]-4-oxatricyclo[5.2.1.02,6]dec-8-en-3-one