3-(tert-Butyl-dimethyl-silanyloxy)-4-((2S,3R,5S,6R)-3,5-dihydroxy-6-methyl-6-propyl-tetrahydro-pyran-2-yl)-3-methyl-butyric acid

(2R,3S,4aR,8S,9aS)-3-Hydroxy-2,8-dimethyl-2-propyl-octahydro-1,5-dioxa-benzocyclohepten-6-one

(2R,3S,4aR,8S,9aS)-3-(2-Methoxy-ethoxymethoxy)-2,8-dimethyl-2-propyl-octahydro-1,5-dioxa-benzocyclohepten-6-one

(2R,3S,4aR,8S,9aS)-3-(2-Methoxy-ethoxymethoxy)-2,8-dimethyl-2-propyl-6-vinyl-3,4,4a,8,9,9a-hexahydro-2H-1,5-dioxa-benzocycloheptene