Synonyms: 5-Hydroxyamino-1,3-dimethylpyrido(2,3-d)pyrimidine-2,4-dione;1,3-Dimethyl-5-(hydroxyamino)pyrido(2,3-d)pyrimidine-2,4(1H,3H)-dione;Pyrido(2,3-d)pyrimidine-2,4(1H,3H)-dione, 1,3-dimethyl-5-(hydroxyamino)-;AC1MJ778;LS-134137;5-(hydroxyamino)-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4-dione;112734-97-1