title: Today's drugs.
mesh_terms: D001463:Barbiturates; D002697:Chloral Hydrate; D006993:Hypnotics and Sedatives; D010242:Paraldehyde; D014508:Urea
chemical_list: D001463:Barbiturates; D006993:Hypnotics and Sedatives; D002697:Chloral Hydrate; D014508:Urea; D010242:Paraldehyde