(S)-((3aR,5R,6R,6aR)-6-Benzyloxy-2,2-dimethyl-6-vinyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-methoxy-acetaldehyde

(3aR,5R,6R,6aR)-6-Benzyloxy-5-((Z)-(R)-1-methoxy-3-nitro-allyl)-2,2-dimethyl-6-vinyl-tetrahydro-furo[2,3-d][1,3]dioxole