31456-72-1 Anthra(2,3-b)furo(3,2-d)furan-5,10-dione, 2,3,3a,12a-tetrahydro-2,3a,4,6,9-pentahydroxy-, (2R,3aR,12aS)- Anthra(2,3-b)furo(3,2-d)furan-5,10-dione, 2,3,3a,12a-tetrahydro-2,3a,4,6,9-pentahydroxy-, stereoisomer Dothistromin