2,4-Decadienoicacid,1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-7b-hydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-9a-(2-methyl-1-oxopropoxy)-5-oxo-1H-cyclopropa[3,4]benz[1,2-e]azulen-9-ylester, [1aR-(1aa,1bb,4ab,7aa,7ba,8a,9b,9aa)]-