methyl 7-[2-(3-hydroxyoct-1-enyl)-5-oxocyclopent-3-en-1-yl]hept-5-enoate

15α-O-t-butyldimethylsilyl-PGA2 methyl ester

15α-O-(t-butyldimethylsilyl)-PGE2 methyl ester

(-)-(3S)-3-(O-tert-butyldimethylsilyl)-1-octyne

methyl (Z)-7-((1S,2R,3R,5S)-2-((S,E)-3-((tert-butyldimethylsilyl)oxy)oct-1-en-1-yl)-4-oxo-6-oxabicyclo[3.1.0]hexan-3-yl)hept-5-enoate