4,6-Heptadiene-1,3-diol,2,4-dimethyl-7-[1a,2,2a,3,4,6a,7,7a-octahydro-5,7a-dimethyl-4-(1-methyl-1-propenyl)naphth[2,3-b]oxiren-3-yl]-,[1aS-[1aa,2aa,3a(2R*,3R*,4E,6E),4a(E),6ab,7aa]]-