7-Oxabicyclo(4.1.0)hept-3-en-2-one, 1-(((1S,4aS,8aS)-decahydro-5,5,8a-trimethyl-2-methylene-1-naphthalenyl)methyl)-5-hydroxy-4-(hydroxymethyl)-, (1R,5R,6R)- 85754-70-7