123334-16-7 (MONOHYDRATE) 2,5-Cyclohexadiene-1,4-dione, 2,3,5,6-tetrahydroxy- 319-89-1 (NEUTRAL) AIDS-060950 AIDS060950 NSC112931 (NEUTRAL) Tetrahydroxy-1,4-quinone Tetrahydroxy-p-benzoquinone