(1S,5R,6R)-6-(2-Benzyloxy-ethyl)-4,5-dimethyl-2,7-dioxa-bicyclo[3.2.0]hept-3-ene

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

(4S,4aS,5S,6S,7aS)-6-Ethyl-4-((S)-1-hydroxy-allyl)-2,2,4a,5-tetramethyl-tetrahydro-furo[2,3-d][1,3]dioxin-5-ol

(2S,3R,4R)-2-(2-Benzyloxy-ethyl)-4,5-dihydroxy-3,4-dimethyl-tetrahydro-furan-3-carbaldehyde

(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

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

(R)-1-((4S,4aS,5S,6S,7aS)-6-Ethyl-5-hydroxy-2,2,4a,5-tetramethyl-tetrahydro-furo[2,3-d][1,3]dioxin-4-yl)-ethane-1,2-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