Synonyms: Barbituricacid, 5,5-diethyl-1-phenyl- (7CI,8CI); 1-Phenyl-5,5-diethylbarbituric acid;5,5-Diethyl-1-phenylbarbituric acid;5,5-Diethyl-2,4,6-trioxo-1-phenylhexahydropyrimidine; Fedibaretta;N-Phenylbarbital; N-Phenylbarbitone; NSC 85043; Phenetharbital; Phenidiemal;Phetharbital; Pyrictal