Bisdecanoic acid (1aR)-1aα,1bβ,4,4a,5,7aα,7b,8,9,9a-decahydro-3-(decanoyloxy)methyl-4aβ,7bα-dihydroxy-1,1,6,8α-tetramethyl-5-oxo-1H-cyclopropa[3,4]benz[1,2-e]azulene-9β,9aα-diyl ester