Photoresist Chemicals 1(2H)-Phthalazinone, 6-bromo-4-[[1-(1,1-dimethylethyl)-3-methyl-1H-pyrazol-5-yl]amino]-2-[4-( 1,1-dimethylethyl)phenyl]- Cas：880488-73-3 Molecular Formula：C26H30BrN5O