5-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1-trimethylsilanylmethyl-cyclohexene

Dithiocarbonic acid S-methyl ester O-((1S,2R,4R)-6-oxo-bicyclo[2.2.2]oct-2-ylmethyl) ester

Toluene-4-sulfonic acid 2-((1S,2R,4R)-6-oxo-bicyclo[2.2.2]oct-2-ylmethoxy)-ethyl ester