2,5-Cyclohexadiene-1,4-dione, 2-[(1,2,3,4,4a,7,8,8a-octahydro-1,2,4a,5-tetramethyl-1- naphthalenyl)methyl]-, [1R-(1.alpha.,2.beta.,4a.beta.,8a.alpha.)]- 55303-99-6 Avarone NSC607774