Photoresist Chemicals L-Valine, L-prolyl-L-a-aspartyl-L-alanyl-L-threonyl-L-glutaminyl-L-seryl-L-glutaminyl-L- arginyl-L-arginyl-L-arginyl-L-lysyl-L-threonyl- Cas:601454-10-8 Molecular Formula:C62H111N25O21