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4-Pyridazinecarboxylic acid

L-3-Pyridylalanine

3-(3-Pyridyl)-D-alanine

D-4-Pyridylalanine

4-Pyridylacetonitrile hydrochloride

2-Pyridylacetonitrile

1-(4-Pyridyl)acetone

3-Pyridylacetic acid hydrochloride

2-Pyridylacetic acid hydrochloride

4-Pyridylacetic acid hydrochloride