11H,13H-Oxireno(d)pyrano(4',3':3,3a)isobenzofuro(5,4-f)(2)benzopyran-6,13(5aalphaH)-dione, 8alpha-(3-furyl)-2,2aalpha,3,4,4a,8,8a,9,10,10aalpha,14,14aalpha-dodecahydro-4alpha-hydroxy-2,2,4,4abeta,8,8aalpha-tetramethyl- 8alpha-(3-furyl)-2,2aalpha,3,4,4a,8,8a,9,10,10aalpha,14,14aalpha-dodecahydro-4alpha-hydroxy-2,2,4,4abeta,8,8aalpha-tetramethyl-11H,13H-oxireno(d)pyrano(4',3':3,3a)isobenzofuro(5,4-f)(2)benzopyran-6,13(5aalphaH)-dione 989-61-7