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3,5-Pyridinedicarboxylic acid

2,6-Pyridinedicarboxaldehyde

Pyridine-2,6-dicarbohydrazide

Pyridine-4-carboxylic acid N-oxide

3-Pyridinecarboxylic acid magnesium salt

4-Pyridinecarboxaldehyde

3-Pyridinecarboxaldehyde

2-Pyridinecarboxaldehyde

2-Pyridinecarbaldehyde oxime

Pyridine-2-boronic acid pinacol ester