DescriptionMenadione-3D-balls.png Ball-and-stick model of the menadione molecule. Date 15 July 2010 Source Derived from File:1,4-benzoquinone-3D-balls.png,
DescriptionMenadiol-3D-balls.png Ball-and-stick model of the menadiol molecule, one of the forms of vitamin K4, closely related to menadione. Date 17 December
antimicrobial properties. Date 16 December 2010 Source Derived from File:Menadione-3D-balls.png and File:Hydroquinone-3D-balls.png. Author Jynto and Ben Mills