Photoresist Chemicals L-Phenylalanine, L-asparaginyl-L-a-glutamyl-L-arginyl-L-a-glutamyl-L-tyrosylglycyl-L-leucyl-L -prolyl-L-a-aspartyl-L-valyl-L-asparaginyl-L-isoleucyl-L-leucyl-L-leucyl- Cas:929524-35-6 Molecular Formula:C82H126N20O25