Keywords: Xanthydrol-3D-spacefill.png Space-filling model of the xanthydrol molecule a compound used to test the levels of urea in the bloodstream Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> F51E1E Oxygen O red<br> 2011-02-12 own DS Visualizer Jynto talk Ball-and-stick version cc-zero Xanthenes Secondary alcohols Images by Jynto |