(4S,2'R)-2-(2'-tert-butyldimethylsilyloxyoct-7'-en-1'-yl)pent-2-ene-1,4-olide

asiminocin

bullanin

(S)-3-(3-formylpropyl)-5-methyl-2(5H)-furanone

(S)-3-((E)-5-Iodo-pent-4-enyl)-5-methyl-5H-furan-2-one