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2-Pyridylacetic acid

3-Pyridylacetic acid

Pyridoxine hydrochloride

Pyridoxine dipalmitate

Pyridoxamine dihydrochloride

Pyridoxal 5-phosphate monohydrate

Pyridoxal phosphate

Pyridoxal 5-phosphate

2-(2-Pyridon-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate