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Catsyn? 5,5'-((3,3',5,5'-Tetramethyl-[1,1'-biphenyl]-4,4'-diyl)bis(oxy))bis(isobenzofuran-1,3-dione) | CAS 150314-47-9?? ?? ??? ?????. ? ??? C32H22O8??, ???? 534.51g/mol??, ??? ????? NLT 98%???.