D-Desthiobiotin is a biotin derivative used in affinity chromatography and protein chromatography. It can also be used for protein, cell labeling, detection, and separation.

5-Hydroxytryptophol is a metabolite of tryptophan.?It is used as a biomarker for recent alcohol consumption and causes sleeping sickness

Squalene is a natural organic compound originally obtained for commercial purposes primarily from shark liver oil though there are botanical sources as well including rice bran wheat germ and olives.