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3,5-PYRIDINEDICARBOXYLIC ACID CAS499-81-0As the material of organic synthesis and pharmaceutical intermediates
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Pyridine-3-sulfonic acid CAS636-73-7Intermediates of organic synthesis, pharmaceutical synthesis
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2,3,5,6-TETRAFLUOROPYRIDINE CAS2875-18-5Medicine, pesticide and organic synthesis intermediates
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2,4,6-Trimethylpyridine CAS108-75-8Standard material used for chromatographic analysis, also used as a solvent, organic synthesis.