(-)-1-[(4S,5S)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl]-2-(tert-butyldimethylsilyloxy)ethan-1-one

1-((tert-butyldimethylsilyl)oxy)-2-((4S,5S)-2,2-dimethyl-5-vinyl-1,3-dioxolan-4-yl)but-3-en-2-ol

3α,5α-diacetoxy-1β,2β-cyclopentanediol

Methyl-1 desoxy-5 O-isopropylidene-2,3 β-D-erythro-pent-4-enofuranoside

(3aS,6R,6aS)-2,2-dimethyl-6-((2-phenylpropan-2-yl)oxy)dihydro-3aH-cyclopenta[d][1,3]dioxol-4(5H)-one