(6E,10E)-(1R,3S,14S)-3-Isopropenyl-6,10,14-trimethyl-15-oxa-bicyclo[12.1.0]pentadeca-6,10-dien-2-one

(6E,10E)-(1S,2R,3R)-3-Isopropenyl-6,10-dimethyl-14-methylene-cyclotetradeca-6,10-diene-1,2-diol