Photoresist Chemicals L-Alanine, L-a-aspartyl-L-a-aspartyl-L-seryl-L-valyl-L-valyl-L-alanyl-L-alanyl-L-methion yl-L-seryl-L-tyrosyl-L-seryl-L-phenylalanyl- Cas：667417-34-7 Molecular Formula：C59H87N13O22S