11H,13H-Oxireno(d)pyrano(4',3':3,3a)isobenzofuro(5,4-f)(2)benzopyran-6,13(5aH)-dione, 8-(3-furyl)dodecahydro-4-hydroxy-2,2,4a,8a-tetramethyl-, stereoisomer 1258-86-2 8-(3-Furyl)dodecahydro-4-hydroxy-2,2,4a,8a-tetramethyl-11H,13H-oxireno(d)pyrano(4',3':3,3a)isobenzofuro(5,4-f)(2)benzopyran-6,13(5aH)-dione stereoisomer