6807-96-1 Anthra(2,3-b)furo(3,2-d)furan-5,10-dione, 3a,12a-dihydro-4,6,8-trihydroxy-, Z-(-)- CCRIS 3475 NSC 274542 Versicolorin Versicolorin A Z-(-)-4,6,8-Trihydroxy-3a,12a-dihydroanthra(2,3-b)furo(3,2-d)furan-5,10-dione