N-benzyl-{4-[3,5-bis(tert-butyldimethylsilyloxy)-2-[3-(tert-butyldimethylsilyloxy)-4-phenoxybutyl]cyclopentyl]butylamino}acetic acid

benzyl N-methylsulfonyl-{4-[3,5-bis(tert-butyldimethylsilyloxy)-2-[3-(tert-butyldimethylsilyloxy)-4-phenoxybutyl]cyclopentyl]butylamino}acetate

{4-[3,5-dihydroxy-2-(3-hydroxy-4-phenoxybutyl)-cyclopentyl]butylthio}acetic acid

(1S,4R)-1,4-di-(tert-butyldimethylsilyloxy)-2-iodocyclopent-2-ene

benzyl N-methyl-{4-[3,5-dihydroxy-2-(3-hydroxy-4-phenoxybutyl)cyclopentyl]butylamino}acetate