Photoresist Chemicals L-Aspartic acid, L-alanyl-L-alanyl-L-a-glutamyl-L-lysyl-L-phenylalanyl-L-lysyl-L-a-aspartyl-L- phenylalanyl-L-valyl-L-lysyl-L-a-glutamyl-L-tyrosyl-L-phenylalanyl-L-alanyl-L- lysyl-L-phenylalanyl-L- Cas:925225-89-4 Molecular Formula:C112H153N23O28