800px<unk>  (5-ethyl-5-isoamylbarbituric acid), like all barbiturates, is synthesized by reacting malonic acid derivatives with urea derivatives. In particular, in order to make<unk> , α-ethyl-α-isoamylmalonic ester is reacted with urea (in the presence of sodium ethoxide).
Amobarbital
Heptobarbital
Pentobarbital
Ethallobarbital
Secobarbital
Hexobarbital
Butobarbital
Phenobarbital