Thermospermine is a structural isomer of spermine and plays a role in the repression of xylem differentiation. Thermospermine can be used in studies about acting as a plant growth regulator and serving in the control of wood biomass production.

Terazosin HCl is a selective α1-adrenoceptor antagonist, used for treatment of symptoms of an enlarged prostate (BPH).

A water-soluble radiographic contrast media for cholecystography and intravenous cholangiography.