(1R,2R,4aS,8aS)-1-(5-ethyl-2,3-diMethoxybenzyl)-2,5,5,8a-tetramethyldecahydronaphthalen-2-ol

(1R,2S,4aS,8aS)-1-(5-Ethyl-2,3-dimethoxy-benzyl)-2,5,5,8a-tetramethyl-decahydro-naphthalen-2-ol