Photoresist Chemicals L-Threonine, L-valyl-L-tyrosyl-L-asparaginyl-L-seryl-L-methionyl-L-tyrosyl-L-a-glutamyl-L- asparaginyl-L-phenylalanyl-L-seryl- Cas：682801-23-6 Molecular Formula：C60H83N13O21S