(3R,4aS,5S,8aS)-3-(2-hydroxypropan-2-yl)-5,8a-dimethyl-1,2,3,4,5,6,7,8-octahydronaphthalen-4a-ol (3R,4aS,5S,8aS)-3-(1-hydroxy-1-methyl-ethyl)-5,8a-dimethyl-decalin-4a-ol (3R,4aS,5S,8aS)-3-(1-hydroxy-1-methylethyl)-5,8a-dimethyl-4a-decalinol