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

(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,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