Bis(2-ethylhexyl)hexanedioate (NSC 56775) is a diester produced by the formal condensation of the carboxyl group of adipic acid with 2-ethylhexan-1-ol, and is used as a plasticizer in the preparation of various polymers.

Canthaxanthin is a red-orange carotenoid that belongs to the xanthophyll group.

p-Cresol (4-methylphenol) is a partially lipophilic moiety which strongly binds to plasma protein (close to 100%) under normal conditions. p-Cresol is metabolized through conjugation mainly sulphation and glucuronization but removal of the unconjugated p-cresol is at least in part via the urine.