methyl (1R,2S,3S,4S)-2,3-<(dimethylmethylene)dioxy>-4-formyl-4-(phenylseleno)cyclopentane-1-carboxylate

(1R,2S,3R)-4-(acetoxymethyl)-1-<(methoxycarbonyl)amino>2,3-<(dimethylmethylene)dioxy>-4-cyclopentene

(3aS,4R,6R,6aR)-6-Hydroxymethyl-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxole-4-carboxylic acid

methyl (1R,2S,3S,4R)-2,3-<(dimethylmethylene)dioxy>-4-(hydroxymethyl)-4-(phenylseleno)cyclopentane-1-carboxylate

(1R,5R,6R,7S)-6,7-(isopropylidenedioxy)-3-oxabicyclo[3.2.1]octane-2-one