Photoresist Chemicals TIANFUCHEM-3,6-Nonadienedioic acid, 3,7-dichloro-5-(4-chlorophenyl)-2,8-bis(1,3-dithian-2-ylidene)-, 1,9-dimethyl ester, (3E,6Z)- Cas：929563-42-8 Molecular Formula：C25H25Cl3O4S4