(R)-1-((3aR,5S,6aR)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)-8-methoxy-8-oxooct-3-yn-1-yl benzoate

(R)-1-((2S,4R,5R)-5-allyl-4-hydroxytetrahydrofuran-2-yl)-8-methoxy-8-oxooct-3-yn-1-yl benzoate

(9S,11R)-12,12-Bis-ethylsulfanyl-9,11-dihydroxy-8-iodo-dodec-5-ynoic acid methyl ester

(9S,11R)-8-Iodo-12-oxo-9,11-bis-triethylsilanyloxy-dodec-5-ynoic acid methyl ester