Synonyms: 2,4,6(1H,3H,5H)-Pyrimidinetrione,5-ethyl-5-(1-methylbutyl)-, monosodium salt (9CI); Barbituric acid,5-ethyl-5-(1-methylbutyl)-, sodium salt (7CI,8CI); 5-Ethyl-5-(1-methylbutyl)barbituric acid sodium salt; 844; Auropan; Barpental; Biosedan; Butylone;Diabutal; Embutal; Etaminal sodium; Ethaminal sodium; Euthanyl; Euthatal; Isobarb;Mebubarbital sodium; Mebumal sodium; Mebunat; NSC 10816; Napental; Narcoren;Nembutal sodium; Pacifan; Pental; Pentobarbital sodium; Pentobarbitone sodium;Pentonal; Pentone; Praecicalm; RS-Pentobarbital sodium; Sagatal; Sodium5-ethyl-5-(1-methylbutyl)barbiturate; Sodium ethaminal; Sodium nembutal; Sodiumpental; Sodium pentobarbital; Sodium pentobarbitone; Sodium pentobarbiturate;Sodium-Pent; Soluble pentobarbital; Somnopentyl; Somnotol; Sopental; Sotyl;V-Pento; Vetbutal