Talarozole R-enantiomer, formerly known as R115866, is a novel, potent and orally bioavailable CYP26 inhibitor under development for the treatment of acne, psoriasis and other keratinization disorders.

Fomepizole (also known as 4-methylpyrazole, Antizol, Antizol-Vet) is a competitive inhibitor of alcohol dehydrogenase, an enzyme that catalyzes the initial steps in the metabolism of ethylene glycol,ethanol and methanol to their toxic metabolites.

NVP-VID-400, formerly known as SDZ285-428, is CYP24A1 inhibitor.

TMS (Tetramethoxystilbene), an analogue of resveratrol, is a potent and selective CYP1B1 inhibitor with an IC50 of 6 nM.

Bergaptol is a novel and potent skin-photosensitizing hydroxyfurocoumarin.

Mephenytoin (racemate) is a hydantoin used as a CYP2C19 substrate and an anticonvulsant.

Oleuropein is a naturally occuring antioxidant polyphenol isolated from olive leaf.

5,7-Dimethoxyflavone is a novel and potent Breast Cancer Resistance Protein (BCRP) inhibitor.

Pradefovir mesylate (formerly known as Remofovir mesylate, ICN-2001-3 mesylate, MB-06866 mesylate, MB-6866 mesylate, ICN-20013 mesylate) is an RTI (reverse transcriptase) inhibitor that has the potential for the treatment of chronic HBV infection.

1-Aminobenzotriazole (also known as ABT; 3-Aminobenzotriazole) has been used widely as a nonselective in vitro and in vivo inhibitor of cytochrome P450 enzymes.