Photoresist Chemicals L-Leucine, L-asparaginylglycyl-L-histidyl-L-methionyl-L-lysyl-L-asparaginyl-L-alanyl-L- seryl-L-arginyl-L-a-glutamyl-L-isoleucyl-L-glutaminyl-L-threonyl- Cas:872830-54-1 Molecular Formula:C65H111N23O22S