7-Ketocholesterol?is a metabolite of Cholesterol.

Glycyl-L-histidyl-L-lysine is a liver cell growth factor and an asynthetic hepatotrophic agent that stimulates hepatic erythropoietic factor production.

4-Pentenoic acid also known as allyl acetic acid or 4-pentenate belongs to the class of organic compounds known as straight chain fatty acids. These are fatty acids with a straight aliphatic chain. 4-Pentenoic acid is a very hydrophobic molecule practically insoluble (in water) and relatively neutral.