Photoresist Chemicals L-Lysine, L-tyrosyl-L-threonyl-L-a-glutamyl-L-phenylalanyl-L-tyrosyl-L-histidyl-L-valyl-L -prolyl-L-threonyl-L-histidyl-L-seryl-L-a-aspartyl-L-alanyl-L-seryl- Cas:928124-11-2 Molecular Formula:C81H113N20O29P