Keywords: Pteridine-3D-balls-2.png Ball-and-stick model of the pteridine molecule a nitrogen heterocycle and simple aromatic ring Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> 3C50FA Nitrogen N blue<br> 2011-02-17 own DS Visualizer Jynto talk Space-filling version cc-zero Pteridine Images by Jynto |