methyl 8-(3-furyl)-2a,4,5,5a,6,6a,8,9,9a,10a,10b,10c-dodecahydro-3-hydroxy-2a,5a,6a,7-tetramethyl-5-(3-methylbut-2-enoyloxy)-2H,3H-cyclopenta(4',5')furo(2',3'-6,5)benzo(cd)isobenzofuran-6-acetate
methyl 8-(3-furyl)-2a,4,5,5a,6,6a,8,9,9a,10a,10b,10c-dodecahydro-3-hydroxy-2a,5a,6a,7-tetramethyl-5-(3-methylbut-2-enoyloxy)-2h,3h-cyclopenta(4',5')furo(2',3'-6,5)benzo(cd)isobenzofuran-6-acetate