Photoresist Chemicals Urea, N-[2-chloro-5-(trifluoromethyl)phenyl]-N’-[3-[8-[methyl(4-pyridinylmethyl) amino]imidazo[1,2-a]pyrazin-6-yl]phenyl]- Cas：847024-32-2 Molecular Formula：C27H21ClF3N7O