Photoresist Chemicals 1H-Isoindole-1,3(2H)-dione, 2-[[4,5-dihydro-1-(4-methylphenyl)-4-[(4-methylphenyl)methylene]-5-oxo- 1H-imidazol-2-yl]methyl]- Cas:911065-25-3 Molecular Formula:C27H21N3O3