Photoresist Chemicals L-Arginine, L-alanyl-L-asparaginyl-L-histidyl-L-threonyl-L-phenylalanyl-L-asparaginyl-L- seryl-L-seryl-L-seryl-L-seryl-L-glutaminyl-L-tyrosyl-L-cysteinyl- Cas:928124-04-3 Molecular Formula:C65H97N22O27PS