Photoresist Chemicals L-Valine, L-histidyl-L-alanyl-L-valylglycyl-L-isoleucyl-L-phenylalanyl-L-arginyl-L-alanyl- L-alanyl-L-valyl-L-cysteinyl-L-threonyl-L-arginylglycyl- Cas:874884-12-5 Molecular Formula:C68H113N23O17S