5,6-O-isopropylidene-2,3-di-O-methyl-D-araboascobate

(2S,3R) 2,3-isopropylidenedioxy-5-phenylpent-4-ene

5,6-O-isopropylidene-L-gulonic acid γ-lactone

(2S,3S)-3-benzenethio-1,2-O-isopropylidene-3-(trimethylsilyl)propane-1,2-diol