(4R)-4-(2,4-difluorophenyl)-2-hydroxymethyl-5-(1H-pyrrol-1-yl)-1,4-pentanediol

ethyl (5R-cis)- and (5R-trans)-5-(2,4-difluorophenyl)-2-oxo-5-[(1H-pyrrol-1-yl)methyl]-3-tetrahydrofurancarboxylate

(2R-cis)- and (2R-trans)-2-(2,4-difluorophenyl)-4-[[(4-methylphenyl)sulfonyloxy]methyl]-2-[(1H-pyrrol-1-yl)methyl]tetrahydrofuran