Keywords: Retinal 3D ball.png Ball-and-stick model of the retinal molecule an aldehyde that is one of the main forms of vitamin A Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> F51E1E Oxygen O red<br> 2011-06-15 own DS Visualizer Jynto talk Space-filling version cc-zero retinal Images by Jynto |