(1R,2S,3R,4S)-2,3-[(dimethylmethylene)dioixy]-4-[(phenylseleno)methyl]cyclopentane-1-carboxylic acid

(1R,2S,3R,4S)-1-[(methoxycarbonyl)amino]-2,3-[(dimethylmethylene)dioxy]-4-[(phenylseleno)methyl]cyclopentane

(1R,4R,5S)-(-)-1-azido-3-((benzyloxy)methyl)-4,5-O-isopropylidene-2-cyclopentene

(1S,4R,5S)-(-)-3-((benzyloxy)methyl)-4,5-O-isopropylidene-2-cyclopenten-1-ol p-toluenesulfonate

(1'S,2'S,3'S,4'R)-4'-(6-chloropurin-9-yl)-1'-hydroxymethyl-1'',1',2',3'-bis-O-isopropylidene-cyclopentane-1',2',3'-triol