(2R,4R)-5-(dimethyl-t-butylsiloxy)-2,4-dimethylpentane-1,2-diol

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4-hydroxy-4,6-dimethylhept-2-enoate

(4R,6R,2E)-methyl 7-(dimethyl-t-butylsiloxy)-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)hept-2-enoate

(4S,6R)-methyl 7-hydroxy-4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)heptanoate

(4S,6R)-methyl 4,6-dimethyl-4-(2-trimethylsilylethoxymethoxy)oct-7-enoate