Photoresist Chemicals L-Tyrosine, L-methionyl-L-leucyl-L-seryl-L-asparaginyl-L-phenylalanylglycyl-L-tyrosyl-L- prolylglycyl-L-tyrosyl-L-glutaminyl-L-seryl-L-lysyl-L-histidyl- Cas:834863-26-2 Molecular Formula:C83H114N20O23S