(1R,3S,5E)-5-{(2E)-2-[(3aS,7aR)-1-(6-ethyl-6-hydroxy-1-methyloctyl)-7a-methyloctahydro-4H-inden-4-ylidene]ethylidene}-4-methylidenecyclohexane-1,3-diol (non-preferred name) [ 134523-85-6 ]