5-tert-butyldimethylsiloxymethyl-1-<2-hydroxy-2-(1-methyl-2,5-cyclohexadien-1-yl)-1-phenylsulfonylethyl>-2,6,6-trimethyl-1-cyclohexene

1-Acetoxymethyl-5-hydroxymethyl-2,6,6-trimethylcyclohex-1-ene