Fomepizole is a competitive inhibitor of alcohol dehydrogenase, the enzyme that catalyzes the initial steps in the metabolism of ethylene glycol and methanol to their toxic metabolites.

Nicotinic Acid is a water-soluble vitamin belonging to the vitamin B family.

Beta Carotene is an organic compound and classified as a terpenoid. It is a precursor (inactive form) of vitamin A.

Carbidopa is an aromatic-L-amino-acid decarboxylase inhibitor with an IC50 of 29 ± 2 μM.

Vitamin B12 is a water soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood.

Irsogladine is an anti-gastric ulcer agent that facilitates gap-junctional intercellular communication through M1 muscarininc acetylcholine receptor binding.

Methoxsalen is a naturally occurring photoactive substance found in the seeds of the Ammi majus (Umbelliferae) plant, used in the diagnosis and treatment of psoriasis A CYP2A5/6 inhibitor.

Pyrimethamine is a dihydrofolate reductase (DHFR) inhibitor, used as an antimalarial drug.