Keywords: Tetrahydroxy-1,4-benzoquinone-3D-balls.png Ball-and-stick model of the tetrahydroxy-1 4-benzoquinone molecule a mildly acidic derivative of 1 4-benzoquinone Derived from File 1 4-benzoquinone-3D-balls png File Pyrocatechol-3D-balls png and File Methanol-3D-balls png 2010-09-06 Jynto and Ben Mills Tetrahydroxy-1 4-benzoquinone Images by Jynto |