Photoresist Chemicals L-Serine, L-arginyl-L-prolyl-L-tryptophyl-L-seryl-L-seryl-L-a-aspartyl-L-threonyl-L-seryl -L-valyl-L-tryptophyl-L-tryptophyl-L-a-aspartylglycyl-L-leucyl-L-phenylalanyl glycyl-L-methionyl-L-asparagi Cas:925667-07-8 Molecular Formula:C110H147N27O32S