Photoresist Chemicals L-Histidine, L-cysteinyl-L-lysyl-L-seryl-L-glutaminylglycyl-L-a-glutamyl-L-arginyl-L-seryl-L -tryptophyl-L-threonyl-L-tryptophyl-L-arginyl-L-lysyl-L-a-glutamyl-L-alanyl- Cas:92448-06-1 Molecular Formula:C85H129N29O25S