2H-Naphtho(1,8-bc)furan-6-acetic acid, 3,5-bis(acetyloxy)-7-((3R,5S)-5-(acetyloxy)-3-(3-furanyl)-2-methyl-1-cyclopenten-1-yl)decahydro-2a,5a,7-trimethyl-8-(((2E)-2-methyl-1-oxo-2-butenyl)oxy)-, methyl ester, (2aR,3R,5S,5aR,6R,7R,8S,8aR,8bR)- 76689-94-6