Photoresist Chemicals L-Glutamic acid, L-lysyl-L-threonylglycyl-L-arginyl-L-seryl-L-leucyl-L-arginyl-L-lysyl-L-isoleucyl -L-asparaginyl-L-seryl-L-alanyl-L-prolyl-L-prolyl-L-threonyl- Cas:646452-88-2 Molecular Formula:C74H131N25O24