Keywords: EGTA zwitterion 3D spacefill.png Space-filling model of the EGTA ethylene glycol tetraacetic acid molecule a chelating agent This image shows it as a zwitterion Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> F51E1E Oxygen O red<br> 3C50FA Nitrogen N blue<br> 2011-07-03 own DS Visualizer Jynto talk Neutral form ball-and-stick version Neutral form space-filling version Zwitterion ball-and-stick version cc-zero Images by Jynto Space-filling models EGTA Tertiary amines Ethers chelating agents Zwitterions |