(-)-(1'S,2'S,2R)-4-(2'-Hydroxy-2',6',6'-trimethylcyclohexyl)-2-methylbutanoic acid

(2ζ,4aS,8aS)-2,5,5,8a-Tetramethyl-3,4,4a,5,6,7,8,8a-octahydronaphthalen-1(2H)-one