Eniluracil is an orally activedihydropyrimidine dehydrogenase (DPD) inhibitorincreases the oral bioavailability of 5-FU to 100% facilitating uniform absorption and predictable toxicity.

N-Acetyl-L-glutamic acid (NAcGlu) is an acetylated amino acid. NAcGlu is biosynthesized from glutamic acid and acetyl-CoA by the enzyme N-acetyl glutamate synthase (NAGS).

HBED-CC-tris(tert-butyl ester) is a monovalent variant of HBED-CC, utilized in the synthesis of synthetic radiocompounds based on asymmetric HBED-CC for tumor imaging.