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Catsyn? 2-[Difluoro-(3,4,5-trifluorophenoxy)methyl]-5-(4-ethylphenyl)-1,3-difluoro-benzene | CAS 303186-19-8?? ?? ??? ?????. ? ??? C21H13F7O??, ???? 414.32g/mol??, ??? ????? NLT 98%???.