Photoresist Chemicals L-Aspartic acid, L-arginyl-L-histidyl-L-lysyl-L-lysyl-L-isoleucyl-L-tyrosyl-L-valyl-L-phenylalanyl- L-glutaminylglycyl-L-a-glutamyl-L-alanyl-L-alanyl-L-a-glutamyl-L-isoleucyl-L -arginyl-L-arginyl- Cas:848563-20-2 Molecular Formula:C98H158N32O27