Photoresist Chemicals L-Arginine, L-lysyl-L-asparaginyl-L-seryl-L-phenylalanyl-L-methionyl-L-alanyl-L-leucyl-L- tyrosyl-L-leucyl-L-seryl-L-lysylglycyl- Cas：878045-89-7 Molecular Formula：C68H111N19O18S