(Z)-(4RS)-1,4,5-triacetoxypent-2-ene

(1R,4'R)-1-(2,2-dimethyl-1,3-dioxolane-4-yl)-2-trimethylsilylprop-2-en-1-ol

1,2-anhydro-4,5-O-isopropylidene-D-ribitol

(Z)-(4RS)-1-acetoxy-4,5-epoxypent-2-ene

DL-erythro-pentyne-(1)-triol-(3.4.5)-triacetate