(R)-12-(tert-Butyl-dimethyl-silanyloxy)-12-((R)-5-oxo-tetrahydro-furan-2-yl)-dodecanal

(R)-5-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-12-hydroxy-dodecyl]-dihydro-furan-2-one

(R)-5-[(E)-(R)-12-Benzyloxy-1-(tert-butyl-dimethyl-silanyloxy)-dodec-2-enyl]-5H-furan-2-one

(R)-5-[(1R,12R)-1-(tert-Butyl-dimethyl-silanyloxy)-12,13-dihydroxy-tridecyl]-dihydro-furan-2-one

(S)-3-[(2R,13R)-2,13-Bis-(tert-butyl-dimethyl-silanyloxy)-13-((R)-5-oxo-tetrahydro-furan-2-yl)-tridecyl]-5-methyl-5H-furan-2-one