Photoresist Chemicals L-Glutamine, L-a-aspartyl-L-a-glutamylglycylglycyl-L-phenylalanyl-L-threonyl-L-cysteinyl- L-phenylalanyl-L-alanyl-L-arginyl-L-a-aspartyl-L-histidyl-L-seryl-L-tyrosyl- Cas:582304-49-2 Molecular Formula:C74H101N21O26S