Photoresist Chemicals L-Serine, L-alanyl-L-alanyl-L-alanylglycyl-L-serylglycylglycylglycylglycylglycyl-L-seryl-L -arginylglycylglycylglycyl-L-serylglycyl-L-alanyl-L-seryl-L-alanyl- Cas:926621-69-4 Molecular Formula:C56H94N24O27