(1S,4S,8R)-8-[(1R)-1-(hydroxymethyl)-2-methylpropyl]-1-methylbicyclo[2.2.2]oct-5-en-2-one

(1S,2R,4S,8R)-1-Methyl-8-((R)-2-methyl-1-phenylsulfanylmethyl-propyl)-2-trimethylsilanyloxy-bicyclo[2.2.2]oct-5-ene-2-carbonitrile

(4R,4aS,8R,8aR)-4-[(1S)-2-(benzyloxy)-1-methylethyl]-8-[(1R)-1-[(tert-butyldimethylsiloxy)methyl]-2-methylpropyl]-3,4,4a,7,8,8a-hexahydro-6-methyl-2(1H)-naphthalenone