FURO[4,3,2-IJ][2]BENZOPYRAN-7(2H)-ONE,2- (ACETYLOXY)-2A,3,4,6,8A,8B-HEXAHYDRO-6- METHYL-5-[(1S)-1,3,3-TRIMETHYLCYCLOHEXYL]-,(2S,2AR,6S,8AR,8BR)-