Photoresist Chemicals Urea, N-[1-(3,5-dimethylphenyl)-3-[1-methyl-1-(methylthio)ethyl]-1H-pyrazol-5- yl]-N’-[[2-[[3-(2-hydroxyphenyl)-1,2,4-triazolo[4,3-a]pyridin-6-yl]thio]phen yl]methyl]- Cas:876298-41-8 Molecular Formula:C35H35N7O2S2