(3aR,5S,6R,6aR)-6-Allyl-6-benzyloxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole-5-carbaldehyde

(R)-1-((3aR,5R,6R,6aR)-6-Allyl-6-benzyloxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-ethane-1,2-diol