Oxoadipic acid is a key metabolite of the essential amino acids tryptophan and lysine.Important metabolite between the TCA cycle and lysine biosynthesis. Of interest for research on mitochondrial metabolite transporters.

Phenyl acetate (or phenylacetate) is a carboxylic acid ester that has been found in the biofluids of patients with nephritis and/or hepatitis as well as patients with phenylketonuria (PKU) an inborn error of metabolism. Excess phenylalanine in the body can be disposed of through a transamination process leading to the production of phenylpyruvate.

Dodecanoylcarnitine ((-)-Lauroylcarnitine) has been associated with disturbances in fatty acid oxidation, and the use of Dodecanoylcarnitine resulted in an increase in the permeability of salmon calcitonin.