2H-1-Benzopyran-2-one, 6,8-dimethoxy-7-(((1R,4aS,6S,8aR)-1,4,4a,5,6,7,8,8a-octahydro-6-hydroxy-2,5,5,8a-tetramethyl-1-naphthalenyl)methoxy)- 87700-15-0