Photoresist Chemicals Benzenesulfonic acid, 5-[[4-[(4,6-dichloro-1,3,5-triazin-2-yl)methylamino]-2-methylphenyl]azo]- 2-[2-(4-nitro-2-sulfophenyl)ethenyl]- Cas：89092-11-5 Molecular Formula：C25H19Cl2N7O8S2