The drug Phenobarbital has the molecular formula C12H12N2O3. The elements included in this drug are Carbon, Hydrogen, Nitrogen, and Oxygen. Other forms of the drug Phenobarbital includes: Luminal, Phenobarbitol, Phenobarbitone, Gardenal, Phenema and more. The drug Phenobarbital is considered a barbiturate, which is a nonselective central nervous depressant. Barbiturates, are a synthetic compounds that, substitute for pyrimidine derivatives which contain the basic structure similar to that of barbituric acid (C4H4N2O3). Barbituric acid is a substance that has no central nervous system (CNS) activity. However, CNS activity can be obtained by substituting alkyl, alkenyl, or aryl groups on the pyrimidine ring- which is an aromatic heterocyclic organic compound. The drug is primarily used as a sedative hypnotic and an anticonvulsant in subhypnotic doses. It is chemically designated as 5-Ethyl-5-phenylbarbituric acid with the molecular weight of 232.24.  Phenobarbital can be taken, orally, in tablets or elixir

- Mora, Celina