(3aS,4S,5R,6aR)-5-Hydroxymethyl-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-ol

(3R,4R,5R)-5-((1R,2S)-3-Bromo-1,2-dihydroxy-propyl)-3,4-dihydroxy-dihydro-furan-2-one

(3R,4R,5R)-5-((4S,5S)-5-Bromomethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-3,4-dihydroxy-dihydro-furan-2-one

Acetic acid (2S,3S,4R)-4-acetoxy-2-((4S,5S)-5-bromomethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-oxo-tetrahydro-furan-3-yl ester

Acetic acid (3aR,3bS,6S,6aS,7aR)-2,2-dimethyl-5-oxo-hexahydro-furo[2',3':3,4]cyclopenta[1,2-d][1,3]dioxol-6-yl ester

(S)-1-((3aS,4S,5R,6aR)-4-Hydroxy-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-5-yl)-ethane-1,2-diol