<unk>  (Ipronal) is a barbiturate derivative invented in the 1970s. It has sedative, hypnotic and anticonvulsant properties, and was used in the treatment of migraine headaches in a similar manner to butalbital.
Proxibarbital
Butabarbital
Cyclobarbital
Ephedrine
Heptabarbital
Aprobarbital
Butalbital
Bentoquatam