Sufentanil was created artificially by a company from Belgium.
 It is the most commonly used largely-illegal drug in the world, with the highest use among adults in Zambia, the United States, Canada, and Nigeria, as of 2018
== See also ==BetahydroxythiofentanylCarfentanilR-30490Thiafentanil== References ==== External links =="Sufentanil"

