Photoresist Chemicals L-Lysine, L-leucyl-L-arginyl-L-tryptophyl-L-arginyl-L-lysyl-L-arginyl-L-tryptophyl-L-argin yl-L-lysyl-L-leucyl-L-arginyl-L-tryptophyl-L-arginyl-L-lysyl-L-arginyl-L-tryptoph yl-L-arginyl- Cas:857631-53-9 Molecular Formula:C128H208N50O19