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

(2R,3R,4R)-2-Ethyl-4-hydroxymethyl-5-methoxy-3,4-dimethyl-tetrahydro-furan-3-ol

(3S,4R,5R)-5-Ethyl-4-hydroxy-2-methoxy-3,4-dimethyl-tetrahydro-furan-3-carbaldehyde

(2R,3R,4R)-2-Ethyl-5-methoxy-3,4-dimethyl-4-[2-(2-nitro-phenylselanyl)-ethyl]-tetrahydro-furan-3-ol