5-HT2B antagonist-1 is an orally active 5-HT2B receptor antagonist with an IC50 of 33.4 nM, suitable for studies of diseases characterized by 5-HT2B receptor signaling, such as hepatocellular carcinoma, cardiovascular disease, or gastrointestinal disease .

WEHL-04 is an intermediate used to prepare (isoquinolinylsulfonyl)benzoic acids as inhibitors of type 5 71-β-hydroxysteroid dehydrogenase AKR1C3. It is also used in the synthesis of 2-aminooctahydrocyclopentalene-3a-carboxamides as potent CCR2 antagonists.

Pyridoxal Phosphate is the active form of vitamin B6 and a coenzyme for many pyridoxal phosphate (PLP)-dependent enzymes.