p. 1315 - 1319
(2011/04/16)(2008/12/07)
3-benzyl-5-chloro-8-methylpyrido[2,3-d]pyrimidine-4,7(3H,8H)-dione
3-benzyl-6-(methylamino)pyrimidin-4(3H)-one
3-(2,4-dinitrophenyl)-5-(2-fluoro-4-iodophenylamino)-8-methylpyrido[2,3-d]pyrimidine-4,7(3H,8H)-dione
5-(2-fluoro-4-iodophenylamino)-8-methylpyrido[2,3-d]pyrimidine-4,7(3H,8H)-dione
3-benzyl-5-(2-fluoro-4-iodophenylamino)-8-methylpyrido[2,3-d]pyrimidine-4,7(3H,8H)-dione