Photoresist Chemicals L-Lysine, L-leucyl-L-tyrosyl-L-a-aspartyl-L-alanyl-L-seryl-L-phenylalanyl-L-seryl-L-prol yl-L-tyrosyl-L-phenylalanyl-L-a-glutamyl-L-threonyl-L-alanyl-L-tyrosyl- Cas:879897-60-6 Molecular Formula:C87H116N16O26