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1,3,8(2H,4H,5aH)-Dibenzofurantrione,4a,9,9a,9b-tetrahydro-4,4a,6-trihydroxy-2,9-bis[(2E,4E)-1-hydroxy-2,4-hexadien-1-ylidene]-4,5a,7,9b-tetramethyl-,(2E,4S,4aR,5aS,9Z,9aR,9bR)- related products: