Definition: A barbituric acid derivative that acts as a nonselective central nervous system depressant. It promotes binding to inhibitory GAMMA-AMINOBUTYRIC ACID subtype receptors, and modulates chloride currents through receptor channels. It also inhibits glutamate induced depolarizations.
2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-ethyl-5-phenyl-, mixt. with 2,2-bis(hydroxymethyl)-1,3-propanediol, 1-((3,4-diethoxyphenyl)methylene)-6,7-diethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride and 3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione compd. wi