Photoresist Chemicals L-Alanine, glycyl-L-phenylalanylglycyl-L-seryl-L-phenylalanyl-L-arginyl-L-phenylalanyl- L-prolyl-L-serylglycyl-L-asparaginyl-L-glutaminylglycylglycyl- Cas:834864-62-9 Molecular Formula:C66H92N20O20