Photoresist Chemicals L-Cysteine,L-cysteinyl-L-histidyl-L-serylglycyl-L-tyrosyl-L-valylglycyl-L-valyl-L-arginyl-,cyclic (1®10)-disulfide (9CI) Cas：97474-88-9 Molecular Formula：C44H67 N15 O13 S2