1,2,3,6a,8,9,9a,11-Octahydro-9-hydroxy-4-methoxy-1,11-dioxocyclopenta(c)furo(3',2':4,5)furo(2,3-h)(1)bnezopyran-8-yl trichloroacetate (6aS-(6aalpha,8beta,9alpha,9aalpha))- 75084-20-7 Acetic acid, trichloro-, 1,2,3,6a,8,9,9a,11-octahydro-9-hydroxy-4-methoxy-1,11-dioxocyclopenta(c)furo(3',2':4,5)furo(2,3-h)(1)bnezopyran-8-yl ester, (6aS-(6aalpha,8beta,9alpha,9aalpha))-