Myristoyl-L-carnitine chloride (L-Myristoylcarnitine chloride) is one of the body's metabolites implicated in inherited metabolic disorders.Tetradecanoylcarnitine is a potential marker for the study of diabetes mellitus and autoimmune hepatitis.

CYM5181 is related to the body's immune system and can be used to study multiple sclerosis, transplant rejection, and adult respiratory distress syndrome.

D-proline is an isomer of the naturally occurring amino acid L-Proline. D-amino acids have been found in relatively high abundance in human plasma and saliva. These amino acids may be of bacterial origin but there is also evidence that they are endogenously produced through amino acid racemase activity.