(2R,3R)-1-O-p-tosyl-4-pentene-1,2,3-triol

(-)-(2R,4S,5R)-2-Methyl-2-<2-(phenylsulfonyl)ethyl>-4-tosyloxymethyl-5-vinyl-1,3-dioxolane

(-)-(2S,3S)-2,3-epoxypent-4-en-1-ol

((2R,3R)-3-vinyloxiran-2-yl)methanol