Photoresist Chemicals TIANFUCHEM-Oxirane, [[[1,1-dimethyl-4-(1,4,5,6-tetrachloro-7,7-dimethoxybicyclo[2.2.1]hept-5- en-2-yl)-2-butynyl]oxy]methyl]- Cas：75143-50-9 Molecular Formula：C18H22Cl4O4