Keywords: Aurin-3D-balls.png Ball-and-stick model of the aurin molecule also known as corallin an organic compound used as a pH indicator and as an intermediate in the manufacture of other dyes Derived from File Phenol-red-zwitterionic-form-3D-balls png 2010-08-28 Jynto and Ben Mills Aurin Images by Jynto Ball-and-stick models |