3-(13-(tert-butyl-dimethylsilanyloxy)-13-{5-[1-(tert-butyl-dimethylsilanyloxy)tridecyl]-tetrahydrofuran-2-yl}tridecyl)-5-methyl-3-phenylsulfanyl-dihydrofuran-2-one

(5S)-3-((R)-2-(tert-butyldimethylsilyloxy)-11-dodecenyl)-5-methyl-3-(phenylthio)dihydrofuran-2(3H)-one

(5S)-3-(((2S,6R)-6-(2-((tert-butyldimethylsilyl)oxy)but-3-en-1-yl)tetrahydro-2H-pyran-2-yl)methyl)-5-methyl-3-(phenylthio)dihydrofuran-2(3H)-one

(5S)-3-(7-iodohept-6-enyl)-5-methyl-3-(phenylsulfanyl)tetrahydrofuran-2-one

(3RS,5S)-3-[(8R,11R,12R,15R,16R,19R,20R)-20-(tert-butyldimethylsilyloxy)-12,15:16,19-diepoxy-8,11-bis(methoxymethoxy)dotriacontanyl]-5-methyl-3-(phenylsulfenyl)tetrahydrofuran-2-one