Photoresist Chemicals L-Phenylalanine, L-a-glutamyl-L-alanyl-L-alanyl-L-prolyl-L-asparaginyl-L-phenylalanyl-L-tyros yl-L-prolyl-L-prolyl-L-leucyl-L-threonyl- Cas:916069-56-2 Molecular Formula:C67H91N13O18