Phytic acid exists in all eukaryotic cells. In plants it is known to function as a [PO4]3? storage depot and precursor for other inositol phosphates and pyrophosphates. It can be used clinically as a complexing agent for removal of traces of heavy metal ions. It acts also as a hypocalcemic agent.

Butyl isothiocyanate is an isothiocyanate having a butyl group attached to the?nitrogen. It has a role as a hapten.

7-Ketocholesterol?is a metabolite of Cholesterol.