SEARCH Articles Figures Tables 1- [4-hydroxy-5- pyrimidine-2,4-dione 2- Methyl-8-nitro-9-hydroxy-4//pyrido pyrimidin-4-ones 2-Isopropyl-6-methyl-4-hydroxy pyrimidine 2-hydroxy-6-amino-pyrimidine 2.4- Diamino-6-hydroxy-pyrimidin 3- Amino-2-hydroxy-47/-pyrido pyrimidin-4-ones 3- Chloro-2-hydroxy-4//-pyrido pyrimidin-4-one 3- Phenyl-2-hydroxy-4//-pyrido pyrimidin-4-one 5.6- Dihydro-6-hydroxy pyrimidines 6-Hydroxy-2,4,5- -pyrimidine trione 6-Hydroxy-4-imino-4//-pyrido pyrimidine 7-Hydroxy-1,2,4-triazolo pyrimidine Isoxazoles pyrimidines, 4-hydroxy Pyrido pyrimidine-6-carboxylates 5- hydroxy Pyrimidine 4-hydroxy- from Pyrimidine hydroxy-, ethers Pyrimidine-5-carboxylates, 4-hydroxy Pyrimidines 4- hydroxy-, preparation Pyrimido pyrimidine-6-carboxylates 5-hydroxy