Keywords: 2-aminoethylphosphonate.png en wikipedia 2011 June 30 en wikipedia Addihockey10 CommonsHelper 2007-03-30 Kupirijo wikipedia en Kupirijo Original upload log page en wikipedia 2-aminoehtylphosphonate png 2007-03-30 02 49 Kupirijo 1370×635× 12803 bytes <nowiki></nowiki> Chelating agents Phosphonic acids |