Keywords: Heptalene-3D-balls.png Ball-and-stick model of the heptalene molecule a polycyclic hydrocarbon without aromatic properties Colour code 505050 Grey Carbon C<br> F0F0F0 Hydrogen H white<br> 2011-01-22 own DS Visualizer Jynto talk Space-filling version cc-zero Heptalene Images by Jynto Ball-and-stick models |