Keywords: Melamine-3D-balls-2.png Ball-and-stick model of the melamine molecule a fire retardant and a fertilizer Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> 3C50FA Nitrogen N blue<br> 2011-06-11 own DS Visualizer Jynto talk Space-filling version cc-zero Melamine Images by Jynto |