(1R,2S,3S,4S)-3-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2-methyl-bicyclo[2.2.2]oct-5-ene-2-carboxylic acid ethyl ester

(3aS,6R,7S,7aS)-7-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-6-methoxymethoxymethyl-7a-methyl-hexahydro-isobenzofuran-1-one

((1S,2S,3R,6R)-2-Benzenesulfonylmethyl-6-methoxymethoxymethyl-2,3-dimethyl-cyclohexyl)-methanol

((1R,2S,3S,4R)-3-Benzenesulfonylmethyl-2-benzyloxymethyl-3,4-dimethyl-cyclohexyl)-methanol

(R)-4-((1S,2S,3R,6R)-6-Methoxymethoxymethyl-2,3-dimethyl-2-phenylsulfanylmethyl-cyclohexyl)-2,2-dimethyl-[1,3]dioxolane