Photoresist Chemicals L-Lysine, L-valyl-L-leucyl-L-tyrosyl-L-a-aspartyl-L-a-aspartyl-L-asparaginyl-L-histidyl- L-valyl-L-seryl-L-alanyl-L-isoleucyl-L-asparaginyl-L-valyl- Cas:881734-24-3 Molecular Formula:C70H111N19O23