Keywords: Porphyrazine 3D spacefill.png Space-filling model of the porphyrazine molecule a compound of the tetrapyrrole family Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> 3C50FA Nitrogen N blue<br> 2011-06-25 own DS Visualizer Jynto talk Ball-and-stick version cc-zero Tetrapyrroles Images by Jynto |