1,3-Dimethyl-5-phenylbarbituric acid difebarbamate Eterobarb DIBAC4(3) 1,3-DIMETHYL-2,4,6-TRIOXO-HEXAHYDRO-PYRIMIDINE-5-CARBALDEHYDE dimethylphenobarbital AURORA KA-4879 1,3,5,5-TETRAMETHYL-2,4,6(1H,3H,5H)-PYRIMIDINETRIONE 1,3-dimethylbarbital AURORA KA-4914 AURORA KA-3223 1,3-Bis(phenylmethyl)-5-ethyl-5-phenyl-2,4,6(1H,3H,5H)-pyrimidinetrion e AURORA KA-6057 AURORA KA-3218 5,5-BIS[2-(4-METHOXYPHENYL)-2-OXOETHYL]-1,3-DIMETHYL-2,4,6(1H,3H,5H)-PYRIMIDINETRIONE AURORA KA-3830 AURORA KA-3786 AURORA KA-3840