(4R,4aS,5S,6S,7aS)-6-Ethyl-2,2,4a,5-tetramethyl-4-[2-(2-nitro-phenylselanyl)-ethyl]-tetrahydro-furo[2,3-d][1,3]dioxin-5-ol

(2R,3R,3aR,4R,5R,6aS)-2-Ethyl-5-hydroxymethyl-3,3a-dimethyl-hexahydro-furo[2,3-b]furan-3,4-diol

(1R,3R,4R,5R,6R,7R)-3-ethyl-7-<(1E,3E)-4-formylbuta-1,3-dienyl>-4,6-dihydroxy-4,5-dimethyl-2,8-dioxabicyclo<3.3.0>octane