Photoresist Chemicals L-Arginine, L-asparaginyl-L-methionyl-L-phenylalanyl-L-leucylglycyl-L-alanyl-L-valylglyc yl-L-threonyl-L-leucyl-L-a-glutamyl-L-a-aspartyl-L-a-glutamyl-L-a-glutamyl- L-lysyl- Cas:845463-02-7 Molecular Formula:C77H125N21O27S