Photoresist Chemicals L-Lysine, L-prolyl-L-a-glutamyl-L-prolyl-L-seryl-L-lysyl-L-seryl-L-alanyl-L-prolyl-L-alanyl -L-prolyl-L-lysyl-L-lysylglycyl-L-seryl- Cas：573989-18-1 Molecular Formula：C66H113N19O21