Huperzine-B is a efficient inhibitor of human brain AChE. Huperzine-B can enhance ognitive and protect neuro, may be potentially new drug candidates for Alzheimer's disease therapy.

Brassinazole is a selective inhibitor of triazole-type steroid (BR) biosynthesis.Brassinazole can be used to modulate the oleuropein steroid (BR) signaling pathway, which is used to regulate plant xylem growth and development.

Cholestyramine, a bile acid-binding resin, inhibits intestinal bile acid absorption which results in the increasing bile acid synthesis from cholesterol.