Photoresist Chemicals L-Leucine, L-seryl-L-asparaginyl-L-seryl-L-a-aspartylglycyl-L-isoleucyl-L-seryl-L-prolyl- L-lysyl-L-arginyl-L-arginyl-L-arginyl- Cas：923957-76-0 Molecular Formula：C60H108N24O20