Liaoning Xingfu

Fluorobenzene

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2,4'-Difluoro Benzophenone

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4,4'-Difluoro Benzophenone

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Pyromellitic Dianhydride

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4,4'-(4,4'-Isopropylidenediphenoxy) bis(phthalic anhydride)

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4-Bromo-3-Fluorobenzaldehyde

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4-Fluor-3-Phenoxybenzaldehyde

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1,4-Bis (4-Fluorobenzoyl) Benzene

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4-Aminobenzonitrile

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p-Fluorotoluene

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