4',4'-dimethylspiro[4H-3,1-benzoxaselenin-2,1'-cyclohexan]-4-one

Acetic acid (1R,4S)-4-benzyloxymethoxy-cyclopent-2-enyl ester

(4S,5S)-2,2-dimethyl-5-vinyl-[1,3]dioxolane-4-carbaldehyde

4,5-dehydro-5-deoxy-2,3-O-isopropylidene-D-erythro-pentafuranose

(3aS,4R,6aS)-4-((S)-1-hydroxy-2,2-dimethylpropyl)-2,2-dimethyl-3a,6a-dihydro-4H-cyclopenta[d][1,3]dioxol-4-ol