p. 1982 - 1984
(2010/03/26)p. 1455 - 1459
(2007/10/03)1,3-dimethyluracil
6-hydroxy-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidine-5-carbaldehyde
edaravone
1,3-dimethyl-2,4-dioxo-7-phenyl-1,3,4,5,6,7-hexahydro-2H-pyrano[2,3-d]pyrimidine-6-carboxylic acid ethyl ester
1,3-dimethyl-6,7-diphenyl-1,5,6,7-tetrahydro-pyrano[2,3-d]pyrimidine-2,4-dione
1,3-dimethyl-5-(4'-oxo-6,6'-diphenyl-4'H-[2,2']bipyranyl-4-ylidene)-pyrimidine-2,4,6-trione
1,3,1',3'-tetramethyl-5,5'-(6,6'-diphenyl-[2,2']bipyranyl-4,4'-diylidene)-bis-pyrimidine-2,4,6-trione
5-(4-bromophenyl)-1,3,8,8-tetramethyl-8,9-dihydro-1H-chromeno[2,3-d]pyrimidine-2,4,6(3H,5H,7H)-trione