Photoresist Chemicals Urea, N-[2-(4-cyanophenoxy)ethyl]-N-[2-[7-[[2-fluoro-4-(trifluoromethyl)phenyl] methyl]-9-oxa-3,7-diazabicyclo[3.3.1]non-3-yl]ethyl]-N’,N’-dimethyl- Cas:872008-21-4 Molecular Formula:C28H33F4N5O3