(3S,4S,5R)-4-Hydroxy-3-((S)-1-hydroxy-dodec-11-ynyl)-5-methyl-dihydro-furan-2-one

(3S,4S,5R)-4-Hydroxy-3-((R)-1-hydroxy-tetradecyl)-5-methyl-dihydro-furan-2-one

3-O-acetyl-5-bromo-2,5-dideoxy-D-erythro-pentono-1,4-lactone

3-O-acetyl-2,5-dideoxy-5-iodo-D-erythro-pentono-1,4-lactone