Photoresist Chemicals Urea, N’-[[4-amino-6,7-dimethyl-1-(2-methylpropyl)-1H-imidazo[4,5-c]pyridin- 2-yl]methyl]-N,N-dimethyl-, trifluoroacetate Cas：872126-34-6 Molecular Formula：C16H26N6O.xC2HF3O2