Phenobarbital is five-ethyl-5-phenylbarbituric acid. Phenobarbital is a substituted pyrimidine by-product by which The essential construction is barbituric acid, a compound that has no CNS action. CNS action is attained by substituting alkyl, alkenyl, or aryl teams about the pyrimidine ring. It's the following structural components:Symptoms and Sig… Read More