Photoresist Chemicals L-Aspartic acid, L-isoleucyl-L-histidyl-L-tryptophyl-L-prolyl-L-valyl-L-alanyl-L-prolyl-L-tyrosyl-L -seryl-L-tyrosyl-L-leucyl- Cas：677717-19-0 Molecular Formula：C72H97N15O18