4-HYDROXY-6R-METHYL-1R,3,7S-TRIS(3-METHYL-2-BUTENYL)-5S-(2-METHYL-1-OXOPROPYL)-6R-(4-METHYL-3-PENTENYL)-BICYCLO[3.3.1]NON-3-ENE-2,9-DIONE [ 11079-53-1 ]