TMB is a chromogenic substrate. It used in staining procedures in immunohistochemistry and a visualizing reagent used in ELISA.

Trityl candesartan is a crucial intermediate used in the synthesis of Candesartan and Candesartan cilexetil, which are angiotensin II receptor antagonists.

NAAD sodium salt is a substrate of nicotinamide adenine dinucleotide synthase and can be used in studies about the specificity and kinetics of the substrate.