http://www.ec21.com/ec-market/dipeptiven.html http://kingkongchem.en.ec21.com/L_Alanyl_L_Glutamine_Dipeptiven--3338877_3345151.html L-alanyl-L-glutamine (Dipeptiven) Cas: 39537-23-0 Standard: Not less than 99.0% Appearance: White or off white crysta20091119 http://chengruida.en.ec21.com/Alanyl_glutamine_Dipeptiven--2303020_2521223.htmlName Glycyl-L-Glutamine (Dipeptiven) or Alanyl-glutamine or L-Alanyl-L-Glutamine CAS: 39537-23-0 Standard ≧99.0%:20071229