<2S<2α(S*),5α>>-tetrahydro-5-(2-methoxymethylenoxyethyl)-α-methyl-2-furanacetate de methyle

2S-cis-2-(β-methoxymethylenoxyethyl)-2,3-dihydro-3-hydroxyfurane

chlorure de 5-deoxy-2,3-O-(1-methylethylidene)-6-O-methoxymethyl-β-D-gulofuranosyle