(1aR-(1a alpha,1b beta,4a beta,7a alpha,7b alpha, 8 alpha,9 beta,9a alpha))-tetradecanoic acid, 9a- (acetyloxy)-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro- 7b-hydroxy-3-(hydroxymethyl)-4a-methoxy-1,1,6,8- tetramethyl-1H-cyclopropa(3,4)benz(1,2-e)azulen- 9-yl ester