garcinol

(1R,3E,5R,7R)-3-[(3,4-dihydroxyphenyl)-hydroxy-methylidene]-8,8-dimethyl-1,7-bis(3-methylbut-2-enyl)-5-[(2S)-5-methyl-2-prop-1-en-2-yl-hex-4-enyl]bicyclo[3.3.1]nonane-2,4,9-trione