Keywords: Croconic-acid-3D-spacefill.png Space-filling model of the croconic acid molecule an organic acid Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> F51E1E Oxygen O red<br> 2011-02-05 own DS Visualizer Jynto talk Ball-and-stick version cc-zero Five-membered rings Organic acids Images by Jynto Space-filling models |