Photoresist Chemicals 1,3-Naphthalenedisulfonic acid, 6-[[4-cyano-5-[[5-cyano-4-methyl-2,6-bis[(sulfophenyl)amino]-3-pyridinyl ]azo]-2-thienyl]azo]- Cas：615558-67-3 Molecular Formula：C34H23N9O12S5