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  2,6-di-1h-pyrazol-1-yl-4-pyridinecarboxylic acid

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  5-(Pyrazin-2-yl)-1H-pyrazole-3-carboxylic acid

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  4'-(2h-tetrazol-5-yl)-[1,1'-biphenyl]-3,5-dicarboxylic acid

• CAS:876905-58-7

  3,​5-​di-​4-​pyridinyl-Benzoic acid

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  5-(pyridin-3-yl)benzene-1,3-dicarboxylic acid

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  3,5-Bis(pyridin-4-ylethynyl)benzoic acid

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  5-(pyridin-4-yl)isophthalicacid