2,4-Dihydroxypyrimidine-5-carbonitrile

5-cyano-2,4-dihydroxypyrimidine ; 2,4-dihydroxypyrimidine-5-carbonitrile ; 2,4-dihydroxy-5-pyrimidinecarbonitrile ; 2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile ; 5-cyanouracil, 2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile, 5-cyano-2,4-dioxo-1,2,3,4-tetrahydropyrimidine ; 5-pyrimidinecarbonitrile, 1,2,3,4-tetrahydro-2,4-dioxo- (6ci,7ci,8ci,9ci) ; 2,4-dioxo-1h-pyrimidine-5-carbonitrile ; 2,4-diketo-1h-pyrimidine-5-carbonitrile ; 5-cyanouracil ; 2,4(1h,3h)-pyrimidinedione, 5-cyano-