Photoresist Chemicals Propanoic acid, 2-methyl-2-[[5-methyl-3-[2-[3-(1-methylethyl)-1-[4-(trifluoromethyl)phenyl] -1H-pyrazol-4-yl]ethyl]-1,2-benzisoxazol-6-yl]oxy]-, ethyl ester Cas:918872-25-0 Molecular Formula:C29H32F3N3O4