Photoresist Chemicals L-Leucinamide, L-alanyl-L-threonyl-L-seryl-L-leucyl-L-prolyl-L-prolyl-L-histidyl-L-seryl-L-seryl- L-glutaminyl-L-seryl-L-prolyl- Cas：875518-18-6 Molecular Formula：C57H93N17O19