Photoresist Chemicals 2,4-Imidazolidinedione, 1-[2-[[5-fluoro-4-[2-[(4-fluorophenyl)methylamino]-5-thiazolyl]-2-pyrimidin yl]amino]ethyl]-5,5-dimethyl- Cas:893438-89-6 Molecular Formula:C21H21F2N7O2S