(3S,3aS,6aR)-5-methylene-3-(2-naphthoxy)tetrahydrocyclopenta[c]furan-1-one

5-[(S)-5-(4-methoxyphenoxy)hexyl-1-sulfonyl]-1-phenyl-1H-tetrazole

(3S,3aS,5R,6aR)-5-((tert-butyldimethylsilyl)oxy)-3-(naphthalen-2-yloxy)hexahydro-1H-cyclopenta[c]furan-1-one

ethyl (E)-(S)-4-[(1R,2R,4R)-4-(tert-butyldimethylsilyloxy)-2-(methoxymethylcarbamoyl)cyclopentyl]-4-hydroxybut-2-enoate

(E)-(S)-[(1R,2R,4R)-4-(tert-butyldimethylsilyloxy)-2-(formyl)cyclopentyl]-4-(tert-butyldimethylsilyloxy)but-2-ynoic acid ethyl ester