2,3,4,8-Tetrahydro-4-hydroxy-9-(hydroxymethyl)-5,8-dimethoxy-3-(2,6,6-trimethyl-9-methylenebicyclo[3.3.1]non-2-yl)-6H-furo[3,4-g]-1-benzopyran-6-one

2,3,4,8-Tetrahydro-4-hydroxy-9-(hydroxymethyl)-5,8-dimethoxy-3-(2,6,6-trimethyl-9-methylenebicyclo[3.3.1]non-2-yl)-6H-furo[3,4-g]-1-benzopyran-6-one