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  2,6-Naphthalenedicarbonyldichloride

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  3,3'-Dibromobenzophenone

• CAS:943861-95-8

  2,9-二溴-1,10-菲罗啉-5,6-二酮

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  [1，'：3'，'1'-'三苯基]-'4，'4'-'二羧酸，5'-'乙炔基-，4，'4'-'二乙酯

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  Bis (3,4-dibromobenzene) -18-crown-6

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  PentaiodoBenzoic Acid

• CAS:13134-31-1

  2,3-Diaminopyrazine

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  2-(1H-吡咯-2-基)-吡啶

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  2,3-Pyrazinedithione, 1,4-dihydro-

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  Dipyrromethane