Photoresist Chemicals L-Arginine, L-cysteinyl-L-prolyl-L-alanyl-L-methionyl-L-valyl-L-alanyl-L-tyrosyl-L-cysteinyl -L-methionyl-L-threonyl-L-threonyl- Cas：842160-88-7 Molecular Formula：C55H91N15O16S4