Photoresist Chemicals L-Valine, L-valyl-L-phenylalanyl-L-glutaminyl-L-alanyl-L-tyrosyl-L-a-aspartyl-L-prolyl-L -a-aspartyl-L-seryl-L-alanyl-L-cysteinyl-L-a-glutamylglycyl-L-leucyl-L-threon yl-L-phenylalanyl-L-glutaminyl Cas:848562-33-4 Molecular Formula:C89H128N20O30S