4-Pyridoxic Acid, a catabolite of vitamin B6, is a water-soluble B-group vitamin that can be used as a urinary diagnostic biomarker for determining the nutritional status of these vitamins.

Podophyllol, a derivative of podophyllotoxin esters, has antitumor activity.

Glycerylphosphorylcholine is a natural choline compound found in the brain and in milk. It is also a parasympathomimetic acetylcholine precursor which may have a potential for the treatment of Alzheimer's disease and dementia.