Photoresist Chemicals L-Arginine, L-threonyl-L-glutaminyl-L-phenylalanyl-L-valyl-L-glutaminyl-L-phenylalanyl-L -a-aspartyl-L-seryl-L-a-aspartyl-L-alanyl-L-alanyl-L-seryl-L-prolyl- Cas:880464-66-4 Molecular Formula:C68H101N19O24