Vinylbital, also known as butylvinal, is a

sedative A sedative or tranquilliser is a substance that induces sedation by reducing irritability or Psychomotor agitation, excitement. They are central nervous system (CNS) Depressant, depressants and interact with brain activity, causing its decelera ...

hypnotic drug which is a

barbiturate Barbiturates are a class of depressant, depressant drugs that are chemically derived from barbituric acid. They are effective when used medication, medically as anxiolytics, hypnotics, and anticonvulsants, but have physical and psychological a ...

derivative. It was developed by Aktiebolaget Pharmacia in the 1950s.

References

Barbiturates Sedatives Vinyl compounds {{sedative-stub