CC1=CC[C@@H](C(C)C)[C@@H](O)[C@H]2[C@H]1CC[C@]2(C)O (1S,3aR,7S,8R,8aR)-1,4-dimethyl-7-propan-2-yl-3,3a,6,7,8,8a-hexahydro-2H-azulene-1,8-diol