Keywords: Tetrachloro-1,4-benzoquinone-3D-balls.png Ball-and-stick model of the tetrachloro-1 4-benzoquinone molecule a chlorine-containing derivative of 1 4-benzoquinone Derived from File Chloranilic-acid-3D-balls png 2010-11-23 Jynto and Ben Mills Images by Jynto Chloranil |