Butobarbital, also called butobarbitone or butethal, Soneryl, and Neonal,[1] is a hypnotic drug which is a barbiturate derivative.[2] It was developed by Poulenc Brothers (now part of Sanofi) in 1921.[3]

References

  1. ↑ International Drug Names
  2. ↑ Nordegren T (2002). "Butobarbital". The A-Z encyclopedia of alcohol and drug abuse. Parkland, Fla.: Brown Walker Press. p. 144. ISBN 978-1-58112-404-0.
  3. ↑ DE 481129, "Verfahren zur Herstellung von n-Butylaethylbarbitursaeure", published 3 February 1922, issued 14 August 1929, assigned to ETS Poulenc Freres.


source: https://en.wikipedia.org/wiki/Butobarbital