Etebenecid is uricosuric agents, which lower uric acid levels in the body by increasing the elimination of uric acid by the kidneys.

The heat shock protein 90 (Hsp90) is a molecular chaperone that activates and maintains the biological functioning of several client proteins, many of which are associated with oncogenic signaling pathways.

Apohyoscine is a natural product of Datura, Solanaceae. Apohyoscine can be used as a reference standard.