Photoresist Chemicals 2-Propenamide, 3-[4-[[2-[(4-cyanophenyl)amino]-7-[(4-methoxyphenyl)methyl]-7H-purin-6 -yl]oxy]-3,5-dimethylphenyl]-N-ethyl-N-methyl-, (2E)- Cas：848647-68-7 Molecular Formula：C34H33N7O3