(3R,4R,5R)-7-Benzyloxy-5-(tert-butyl-diphenyl-silanyloxymethyl)-4,5-dimethyl-heptane-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

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

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

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