| butethal | 5-Butyl-5-ethylbarbituric acid;a sedative and hypnotic. (05 Mar 2000) |
|---|---|
| butethamate | 2-Phenylbutyric acid 2-(diethylamino)ethyl ester;an intestinal antispasmodic agent. (05 Mar 2000) |
| butethamine hydrochloride | 2-(Isobutylamino)ethyl-p-amino benzoate;a local anaesthetic. (05 Mar 2000) |