Photoresist Chemicals Acetamide, N-phenyl-2-[3-(2,3,4,5-tetrahydro-1,3-dimethyl-2,4-dioxo-1H-pyrrolo[3,2 -d]pyrimidin-6-yl)phenoxy]- Cas：875802-73-6 Molecular Formula：C22H20N4O4