(1'R,5R)-5-(5'-trimethylsilyl-1'-hydroxypent-4'-ynyl)tetrahydrofuran-2-one

Toluene-4-sulfonic acid (E)-8-iodo-oct-7-enyl ester

(5S)-5-methyl-3-phenylsulfanyl-4,5-dihydrofuran-2(3H)-one

(E,3RS,5S)-3-(8'-iodooct-7'-enyl)-5-methyl-3-(phenylsulfanyl)tetrahydrofuran-2-one