| Heading | Sub Heading | Sub Sub Heading | Drug |
|---|---|---|---|
| Sedatives, Hypnotics, and Other Drugs Used in Psychiatry | Barbiturates | Pentobarbital |
 |
| Heading | Sub Heading | Sub Sub Heading | Drug |
|---|---|---|---|
| Sedatives, Hypnotics, and Other Drugs Used in Psychiatry | Barbiturates | Pentobarbital |
|