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Catsyn? 1,1'-(5'-(4-Acetylphenyl)-[1,1':3',1''-terphenyl]-4,4''-diyl)diethanone | CAS 47732-99-0?? ?? ??? ?????. ? ??? C30H24O3??, ???? 432.51g/mol??, ??? ????? NLT 98%???.