7,9-Dioxabicyclo(4.2.1)nonane-2-acetic acid, 4-(acetyloxy)-3-((1S,3S,3aS,5R,6R,7R,7aR)-6-(formyloxy)-1-(3-furanyl)octahydro-3a-hydroxy-7-(((2R,3R)-2-hydroxy-3-methyl-1-oxopentyl)oxy)-7a-methyl-4-methylene-3-(((2E)-2-methyl-1-oxo-2-butenyl)oxy)-1H-inden-5-yl)-6-hydroxy-1,3-dimethyl-, methyl ester, (1S,2R,3R,6S)- 75975-30-3