(+)-methyl (1'R,3'S)-3'-hydroxy-2',2'-dimethyl-6'-methylene-1'-cyclohexylcarboxylate

(2S,6R)-cis-2-(imidazoylthiocarbonyl)oxy-γ-cyclogerany pivaloate

(4S)-4-[(tert-butyldimethylsilyl)oxy]-3-methyl-cyclohex-2-en-1-one

(S)-4-hydroxy-3-methyl-cyclohex-2-en-1-one

(1S,5S)-8,8-dimethyl-2-oxo-6-oxabicyclo[3.2.1]octan-7-one