Photoresist Chemicals TIANFU-CHEM Acetamide, N-[[4-[[1-(aminothioxomethyl)-5-(3,4-dimethoxyphenyl)-3-methyl-1H-pyr azol-4-yl]azo]phenyl]sulfonyl]- Cas:90711-08-3 Molecular Formula:C21H22N6O5S2