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Catsyn? 1,3-Dioxane, 5-butyl-2-(3',5'-difluoro[1,1'-biphenyl]-4-YL)-, trans- | CAS 1983993-59-4?? ?? ??? ?????. ? ??? C20H22F2O2??, ???? 332.38g/mol??, ??? ????? NLT 98%???.