Relating to pyridoxic acid or its derivatives

plural of pyridoxal

(biochemistry) One of the three natural forms of vitamin B6

Any salt or ester of a pyridoxic acid

(organic chemistry) Any of a group of carboxylic acids, derived from pyridoxine, such as 3-hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carboxylic acid