Keywords: DBN-3D-balls.png Ball-and-stick model of the 1 5-diazabicyclo 4 3 0 non-5-ene molecule also known as DBN an amidine base used in organic synthesis Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> 3C50FA Nitrogen N blue<br> 2011-02-19 own DS Visualizer Jynto talk Space-filling version cc-zero Amidines Azolidines Tetrahydrodiazines Images by Jynto Ball-and-stick models |