好大好硬快点受不了了

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3. Organic Intermediate

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  sell 4,4'-(hexafluoroisopropylidene)diphthalic anhydride; 2,2-bis(3,4-anhydrodicarboxyphenyl)hexafluoropropane; 6FDA

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  sell Carbamic acid ammonium salt; Ammonium carbamate; Carbamic acid monoammonium salt

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  4-Nitrobenzoyl chloride;p-Nitrobenzoyl chloride; 4-Nitrobenzoylchloride; 4-Nitrobenzoic acid chloride

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  sell m-Nitrobenzoyl chloride;3-Nitrobenzoyl chloride

• sell 4-Nitrophthalonitrile

• sell 3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone

• sell 4,4'-Thiobis-phenol;Thiodiphenol;4,4-THIODIPHENOL;4,4'-Thiobis-phenol;4-Hydroxyphenyl sulfide; TDP

• sell Biphenyl-4,4'-dicarboxylic acid;4,4'-Biphenyldicarboxylic acid