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5-Cyano-3-pyridinyl boronic acid

2-Ethoxy-5-pyridineboronic acid

6-Methoxypyridine-2-boronic acid

3-Bromopyridine-5-boronic acid pinacol ester

4-Methylpyridine-2-boronic acid

6-Bromopyridine-2-boronic acid

2-Bromopyridine-3-ylboronic acid

5-Methylpyridine-2-boronic acid

2-Fluoro-3-pyridineboronic acid

2-Methoxy-5-(pyridine-4-yl)phenylboronic acid